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• External hard-drive is "clicking" when idle [closed]

  - by mirumir

  I'm struggling with a very annoying issue: My new hard-drive (Samsung Spinpoint M8 1TB (HN-M101MBB) was build in an USB 3.0 external case (Lian Li EX-10QR) and formatted with ext4. When this hard-drive is connected to my Notebook via USB 2.0 it "klicks", the LED flashs too, every second, but only when it's idle! It stays silent, when something is copying or reading from it. But when this drive was formatted with ext3 or fat, it always remained silent. This also happens with a Western Digital WD10JPVT Scorpio Blue, but the "klicks" are even louder! System: 12.04 64-bit with Gnome-Shell. Any ideas how to approach this issue?

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• Slow tranfer to external USB3 hard drive

  - by JMP

  Trying to backup data from hard drive before reloading windows following some issue with its load. Having trouble with the file transfer to a USB3/2 external hard drive NTFS. Getting transfer speed of about 116.7kB/sec. In other words its taking about 5 hours to tranfer 1.4GB. I've got about 80GB to go. So the transfer is going to take 11days. Seems a little on the slow side. Am I missing something? Is there a way to make this faster. No issue with the external drive tranferring this amount in windows. But don't have that option at the moment.

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• Partition Hard Drive For Data

  - by user211779

  Greetings ~ I am a new Linux/Ubuntu user. For various reasons (mostly my own ignorance) I am on my third install of Ubuntu 12.04. I want to partition the hard drive to create a drive for data and personal files in case I ever have to install again. I have been struggling all afternoon to make a gparted live USB. Tuxboot looked like the answer but I get an error message when using it. So, I am asking for help. Ultimately, I want to partition the hard drive for data and personal files. What do you recommend?

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• Maxtor 500GB external hard drive not being detected but power is going to it?

  - by ClarkeyBoy

  I have 2 * Maxtor Onetouch 4 Lite 500GB external hard drives (part no. 9NT2A4-500). They both used to work fine on my old laptop (an Acer) but I have not used them for about a year, since my laptop was stolen and I got this one (also an Acer [Aspire 7738G]). I have one plugged into the mains with one of the leads I believe was supplied with them. It appears to be receiving power as it is warm and the power light (on the unit itself) is on; also the mains adapter is fairly warm. I also have it plugged into my laptop with a USB lead which I have tested on my mp3 player (so I know it works). However my hard drive is not showing on my computer. I have tried checking for new hardware, installing the software that was supplied with it, checking drive letters in case it is registered as C: or something stupid, checking for problems etc... I can't find any cause for it to do this. It does appear to be starting up and, possibly, shutting down and restarting constantly (that's what it sounds like altho I can't be certain). I have had both hard drives stored in different places for the last year and they're both doing the same thing.. if it was only one then I'd guess it had got damaged or corrupted or something but since it is both I doubt this is it. The only things in common with both of them are the leads and the laptop, however I know the USB lead works and guess the mains lead works as there is power going to the unit. Has anyone come across this before or does anyone have any idea what the cause / solution to the problem is? Any help would be greatly appreciated. Regards, Richard

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• MacBook Pro Late 2009 SATA Resets, Slowness

  - by A Student at a University

  My MacBook Pro runs slower the longer it's on. I am getting kernel warnings. The resets correlate with AC power connects and disconnects. I don't know if the warnings do. (How do I tell?) Are these bus CRC errors? Or something else? Can this damage the drive or corrupt data? What is it seeing that motivates these? 02:37:16 :[ 0.791992] ahci 0000:00:0b.0: PCI INT A -> Link[LSI0] -> GSI 20 (level, low) -> IRQ 20 02:37:16 :[ 0.792053] ahci 0000:00:0b.0: controller can't do PMP, turning off CAP_PMP 02:37:16 :[ 0.792104] ahci 0000:00:0b.0: AHCI 0001.0200 32 slots 6 ports 1.5 Gbps 0x3 impl IDE mode 02:37:16 :[ 0.792107] ahci 0000:00:0b.0: flags: 64bit ncq sntf pm led pio slum part boh 02:37:16 :[ 0.813473] scsi0 : ahci 02:37:16 :[ 0.823340] scsi1 : ahci 02:37:16 :[ 0.848164] ata1: SATA max UDMA/133 abar m8192@0xe7484000 port 0xe7484100 irq 43 02:37:16 :[ 0.848166] ata2: SATA max UDMA/133 abar m8192@0xe7484000 port 0xe7484180 irq 43 02:37:16 :[ 1.190132] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:16 :[ 1.190153] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:16 :[ 1.213568] ata1.00: ATA-8: OCZ-VERTEX2, 1.23, max UDMA/133 02:37:16 :[ 1.213572] ata1.00: 195371568 sectors, multi 1: LBA48 NCQ (depth 31/32) 02:37:16 :[ 1.227293] ata2.00: ATA-8: ST9500420ASG, 0002SDM1, max UDMA/133 02:37:16 :[ 1.227297] ata2.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32) 02:37:16 :[ 1.229570] ata2.00: configured for UDMA/133 02:37:16 :[ 1.240133] ata2: hard resetting link 02:37:16 :[ 1.260738] ata1.00: configured for UDMA/133 02:37:16 :[ 1.280122] ata1: hard resetting link 02:37:16 :[ 1.470125] usb 2-5: new high speed USB device using ehci_hcd and address 3 02:37:16 :[ 1.550165] firewire_core: created device fw0: GUID 58b035fffea99f5c, S800 02:37:16 :[ 1.631306] Initializing USB Mass Storage driver... 02:37:16 :[ 1.631392] scsi6 : usb-storage 2-5:1.0 02:37:16 :[ 1.631454] usbcore: registered new interface driver usb-storage 02:37:16 :[ 1.631455] USB Mass Storage support registered. 02:37:16 :[ 1.960128] usb 4-1: new full speed USB device using ohci_hcd and address 2 02:37:16 :[ 1.990101] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:16 :[ 1.994215] ata2.00: configured for UDMA/133 02:37:16 :[ 1.994220] ata2: EH complete 02:37:16 :[ 2.030097] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:16 :[ 2.090773] ata1.00: configured for UDMA/133 02:37:16 :[ 2.090778] ata1: EH complete 02:37:16 :[ 2.090931] scsi 0:0:0:0: Direct-Access ATA OCZ-VERTEX2 1.23 PQ: 0 ANSI: 5 02:37:16 :[ 2.091045] sd 0:0:0:0: Attached scsi generic sg0 type 0 02:37:16 :[ 2.091121] sd 0:0:0:0: [sda] 195371568 512-byte logical blocks: (100 GB/93.1 GiB) 02:37:16 :[ 2.091159] scsi 1:0:0:0: Direct-Access ATA ST9500420ASG 0002 PQ: 0 ANSI: 5 02:37:16 :[ 2.091163] sd 0:0:0:0: [sda] Write Protect is off 02:37:16 :[ 2.091183] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 02:37:16 :[ 2.091252] sd 1:0:0:0: Attached scsi generic sg1 type 0 02:37:16 :[ 2.091337] sda: 02:37:16 :[ 2.091446] sd 1:0:0:0: [sdb] 976773168 512-byte logical blocks: (500 GB/465 GiB) 02:37:16 :[ 2.091580] sd 1:0:0:0: [sdb] Write Protect is off 02:37:16 :[ 2.091637] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA 02:37:16 :[ 2.091756] sdb: sda1 sda2 02:37:16 :[ 2.093140] sd 0:0:0:0: [sda] Attached SCSI disk 02:37:16 :[ 2.093505] sdb1 sdb2 sdb3 02:37:16 :[ 2.093773] sd 1:0:0:0: [sdb] Attached SCSI disk 02:37:16 :[ 2.693899] EXT4-fs (dm-0): mounted filesystem with ordered data mode. Opts: (null) 02:37:16 :[ 5.483492] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro 02:37:16 :[ 7.905040] EXT4-fs (dm-2): mounted filesystem with ordered data mode. Opts: (null) 02:37:25 :[ 19.553095] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:37:25 :[ 19.555266] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:37:25 :[ 19.641533] ata1: hard resetting link 02:37:25 :[ 19.642084] ata2: hard resetting link 02:37:26 :[ 20.392606] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:26 :[ 20.392610] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:26 :[ 20.396697] ata2.00: configured for UDMA/133 02:37:26 :[ 20.396703] ata2: EH complete 02:37:26 :[ 20.451491] ata1.00: configured for UDMA/133 02:37:26 :[ 20.451498] ata1: EH complete 02:37:30 :[ 24.563725] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:37:30 :[ 24.565939] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:37:30 :[ 24.627246] ata1: hard resetting link 02:37:30 :[ 24.632250] ata2: hard resetting link 02:37:31 :[ 25.372582] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:31 :[ 25.382615] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300) 02:37:31 :[ 25.386782] ata2.00: configured for UDMA/133 02:37:31 :[ 25.386788] ata2: EH complete 02:37:31 :[ 25.431668] ata1.00: configured for UDMA/133 02:37:31 :[ 25.431674] ata1: EH complete 02:45:54 :[ 529.141844] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 02:45:55 :[ 529.544529] EXT4-fs (dm-2): re-mounted. Opts: commit=0 02:45:55 :[ 529.622561] ata1: limiting SATA link speed to 1.5 Gbps 02:45:55 :[ 529.622583] ata1: hard resetting link 02:45:55 :[ 529.622609] ata2: limiting SATA link speed to 1.5 Gbps 02:45:55 :[ 529.622624] ata2: hard resetting link 02:45:56 :[ 530.380135] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:45:56 :[ 530.380157] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:45:56 :[ 530.384305] ata2.00: configured for UDMA/133 02:45:56 :[ 530.384314] ata2: EH complete 02:45:56 :[ 530.399225] ata1.00: configured for UDMA/133 02:45:56 :[ 530.399233] ata1: EH complete 02:45:58 :[ 532.395990] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:45:58 :[ 532.518270] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:45:58 :[ 532.590983] ata1: hard resetting link 02:45:58 :[ 532.591045] ata2: hard resetting link 02:45:59 :[ 533.340147] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:45:59 :[ 533.340168] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:45:59 :[ 533.344416] ata2.00: configured for UDMA/133 02:45:59 :[ 533.344424] ata2: EH complete 02:45:59 :[ 533.360839] ata1.00: configured for UDMA/133 02:45:59 :[ 533.360847] ata1: EH complete 02:45:59 :[ 533.584449] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 02:45:59 :[ 533.586999] EXT4-fs (dm-2): re-mounted. Opts: commit=0 02:45:59 :[ 533.660132] ata2: hard resetting link 02:45:59 :[ 533.660151] ata1: hard resetting link 02:46:00 :[ 534.412536] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:00 :[ 534.412562] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:00 :[ 534.416768] ata2.00: configured for UDMA/133 02:46:00 :[ 534.416777] ata2: EH complete 02:46:00 :[ 534.431396] ata1.00: configured for UDMA/133 02:46:00 :[ 534.431401] ata1: EH complete 02:46:03 :[ 537.384649] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:46:03 :[ 537.504214] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:46:03 :[ 537.586002] ata1: hard resetting link 02:46:03 :[ 537.586036] ata2: hard resetting link 02:46:04 :[ 538.330147] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:04 :[ 538.330168] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:04 :[ 538.334389] ata2.00: configured for UDMA/133 02:46:04 :[ 538.334398] ata2: EH complete 02:46:04 :[ 538.343511] ata1.00: configured for UDMA/133 02:46:04 :[ 538.343519] ata1: EH complete 02:46:04 :[ 538.456413] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 02:46:04 :[ 538.459404] EXT4-fs (dm-2): re-mounted. Opts: commit=0 02:46:04 :[ 538.540138] ata1.00: limiting speed to UDMA/100:PIO4 02:46:04 :[ 538.540159] ata1: hard resetting link 02:46:04 :[ 538.540202] ata2.00: limiting speed to UDMA/100:PIO4 02:46:04 :[ 538.540220] ata2: hard resetting link 02:46:05 :[ 539.290054] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:05 :[ 539.290041] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:05 :[ 539.294100] ata2.00: configured for UDMA/100 02:46:05 :[ 539.294106] ata2: EH complete 02:46:05 :[ 539.314125] ata1.00: configured for UDMA/100 02:46:05 :[ 539.314132] ------------[ cut here ]------------ 02:46:05 :[ 539.314140] WARNING: at /build/buildd/linux-2.6.35/drivers/ata/libata-eh.c:3638 ata_eh_finish+0xdf/0xf0() 02:46:05 :[ 539.314144] Hardware name: MacBookPro5,3 02:46:05 :[ 539.314146] Modules linked in: michael_mic arc4 xt_multiport binfmt_misc rfcomm sco bnep l2cap parport_pc ppdev nvidia(P) ipt_REJECT xt_recent snd_hda_codec_cirrus xt_limit xt_tcpudp ipt_addrtype xt_state snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi applesmc led_class ip6table_filter lib80211_crypt_tkip snd_rawmidi snd_seq_midi_event ip6_tables input_polldev hid_apple snd_seq wl(P) snd_timer snd_seq_device snd joydev bcm5974 usbhid mbp_nvidia_bl uvcvideo btusb videodev v4l1_compat v4l2_compat_ioctl32 nf_nat_irc hid nf_conntrack_irc soundcore snd_page_alloc i2c_nforce2 coretemp lib80211 bluetooth nf_nat_ftp nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack lp parport iptable_filter ip_tables x_tables usb_storage firewire_ohci firewire_core forcedeth crc_itu_t ahci libahci 02:46:05 :[ 539.314221] Pid: 202, comm: scsi_eh_0 Tainted: P 2.6.35-25-generic #44-Ubuntu 02:46:05 :[ 539.314224] Call Trace: 02:46:05 :[ 539.314233] [<ffffffff8106091f>] warn_slowpath_common+0x7f/0xc0 02:46:05 :[ 539.314237] [<ffffffff8106097a>] warn_slowpath_null+0x1a/0x20 02:46:05 :[ 539.314242] [<ffffffff813dc77f>] ata_eh_finish+0xdf/0xf0 02:46:05 :[ 539.314246] [<ffffffff813e441e>] sata_pmp_error_handler+0x2e/0x40 02:46:05 :[ 539.314256] [<ffffffffa00021bf>] ahci_error_handler+0x1f/0x90 [libahci] 02:46:05 :[ 539.314261] [<ffffffff813dd6d2>] ata_scsi_error+0x492/0x5e0 02:46:05 :[ 539.314266] [<ffffffff813b24cd>] scsi_error_handler+0x10d/0x190 02:46:05 :[ 539.314270] [<ffffffff813b23c0>] ? scsi_error_handler+0x0/0x190 02:46:05 :[ 539.314275] [<ffffffff8107f266>] kthread+0x96/0xa0 02:46:05 :[ 539.314280] [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10 02:46:05 :[ 539.314284] [<ffffffff8107f1d0>] ? kthread+0x0/0xa0 02:46:05 :[ 539.314288] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10 02:46:05 :[ 539.314291] ---[ end trace 76dbffc2d5d49d9b ]--- 02:46:05 :[ 539.314296] ata1: EH complete 02:46:12 :[ 547.040117] ata1: hard resetting link 02:46:13 :[ 547.390144] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:13 :[ 547.408430] ata1.00: configured for UDMA/100 02:46:13 :[ 547.408438] ------------[ cut here ]------------ 02:46:13 :[ 547.408447] WARNING: at /build/buildd/linux-2.6.35/drivers/ata/libata-eh.c:3638 ata_eh_finish+0xdf/0xf0() 02:46:13 :[ 547.408451] Hardware name: MacBookPro5,3 02:46:13 :[ 547.408453] Modules linked in: michael_mic arc4 xt_multiport binfmt_misc rfcomm sco bnep l2cap parport_pc ppdev nvidia(P) ipt_REJECT xt_recent snd_hda_codec_cirrus xt_limit xt_tcpudp ipt_addrtype xt_state snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi applesmc led_class ip6table_filter lib80211_crypt_tkip snd_rawmidi snd_seq_midi_event ip6_tables input_polldev hid_apple snd_seq wl(P) snd_timer snd_seq_device snd joydev bcm5974 usbhid mbp_nvidia_bl uvcvideo btusb videodev v4l1_compat v4l2_compat_ioctl32 nf_nat_irc hid nf_conntrack_irc soundcore snd_page_alloc i2c_nforce2 coretemp lib80211 bluetooth nf_nat_ftp nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack lp parport iptable_filter ip_tables x_tables usb_storage firewire_ohci firewire_core forcedeth crc_itu_t ahci libahci 02:46:13 :[ 547.408528] Pid: 202, comm: scsi_eh_0 Tainted: P W 2.6.35-25-generic #44-Ubuntu 02:46:13 :[ 547.408531] Call Trace: 02:46:13 :[ 547.408540] [<ffffffff8106091f>] warn_slowpath_common+0x7f/0xc0 02:46:13 :[ 547.408544] [<ffffffff8106097a>] warn_slowpath_null+0x1a/0x20 02:46:13 :[ 547.408549] [<ffffffff813dc77f>] ata_eh_finish+0xdf/0xf0 02:46:13 :[ 547.408553] [<ffffffff813e441e>] sata_pmp_error_handler+0x2e/0x40 02:46:13 :[ 547.408563] [<ffffffffa00021bf>] ahci_error_handler+0x1f/0x90 [libahci] 02:46:13 :[ 547.408567] [<ffffffff813dd6d2>] ata_scsi_error+0x492/0x5e0 02:46:13 :[ 547.408572] [<ffffffff813b24cd>] scsi_error_handler+0x10d/0x190 02:46:13 :[ 547.408577] [<ffffffff813b23c0>] ? scsi_error_handler+0x0/0x190 02:46:13 :[ 547.408582] [<ffffffff8107f266>] kthread+0x96/0xa0 02:46:13 :[ 547.408587] [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10 02:46:13 :[ 547.408591] [<ffffffff8107f1d0>] ? kthread+0x0/0xa0 02:46:13 :[ 547.408595] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10 02:46:13 :[ 547.408598] ---[ end trace 76dbffc2d5d49d9c ]--- 02:46:13 :[ 547.408620] ata1: EH complete 02:46:13 :[ 547.562470] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:46:13 :[ 547.671380] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:46:13 :[ 547.738198] ata1.00: limiting speed to UDMA/33:PIO4 02:46:13 :[ 547.738218] ata1: hard resetting link 02:46:13 :[ 547.738274] ata2: hard resetting link 02:46:14 :[ 548.482561] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:14 :[ 548.484083] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:14 :[ 548.486809] ata2.00: configured for UDMA/100 02:46:14 :[ 548.486818] ata2: EH complete 02:46:14 :[ 548.498998] ata1.00: configured for UDMA/33 02:46:14 :[ 548.499004] ata1: EH complete 02:46:18 :[ 552.410499] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:46:18 :[ 552.522521] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:46:18 :[ 552.529684] ata1: hard resetting link 02:46:18 :[ 552.529723] ata2: hard resetting link 02:46:19 :[ 553.280059] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:19 :[ 553.280068] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:19 :[ 553.284141] ata2.00: configured for UDMA/100 02:46:19 :[ 553.284150] ata2: EH complete 02:46:19 :[ 553.301629] ata1.00: configured for UDMA/33 02:46:19 :[ 553.301637] ata1: EH complete 02:46:21 :[ 556.078830] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 02:46:21 :[ 556.180361] EXT4-fs (dm-2): re-mounted. Opts: commit=0 02:46:22 :[ 556.262612] ata1: hard resetting link 02:46:22 :[ 556.262617] ata2: hard resetting link 02:46:22 :[ 557.010050] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:22 :[ 557.010070] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:22 :[ 557.014069] ata2.00: configured for UDMA/100 02:46:22 :[ 557.014075] ata2: EH complete 02:46:22 :[ 557.023646] ata1.00: configured for UDMA/33 02:46:22 :[ 557.023654] ata1: EH complete 02:46:30 :[ 565.047438] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:46:30 :[ 565.051554] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:46:30 :[ 565.108332] ata1: hard resetting link 02:46:30 :[ 565.108389] ata2.00: limiting speed to UDMA/33:PIO4 02:46:30 :[ 565.108406] ata2: hard resetting link 02:46:31 :[ 565.850048] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:31 :[ 565.850068] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:31 :[ 565.854304] ata2.00: configured for UDMA/33 02:46:31 :[ 565.854313] ata2: EH complete 02:46:31 :[ 565.868477] ata1.00: configured for UDMA/33 02:46:31 :[ 565.868485] ata1: EH complete 02:46:35 :[ 569.265469] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 02:46:35 :[ 569.268139] EXT4-fs (dm-2): re-mounted. Opts: commit=0 02:46:35 :[ 569.340079] ata1: hard resetting link 02:46:35 :[ 569.340113] ata2: hard resetting link 02:46:35 :[ 570.092568] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:35 :[ 570.092589] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:46:35 :[ 570.096828] ata2.00: configured for UDMA/33 02:46:35 :[ 570.096837] ata2: EH complete 02:46:35 :[ 570.110727] ata1.00: configured for UDMA/33 02:46:35 :[ 570.110735] ata1: EH complete 02:47:04 :[ 598.528232] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 02:47:04 :[ 598.653973] EXT4-fs (dm-2): re-mounted. Opts: commit=600 02:47:04 :[ 598.730854] ata1: hard resetting link 02:47:04 :[ 598.730910] ata2: hard resetting link 02:47:05 :[ 599.480136] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:47:05 :[ 599.480159] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 02:47:05 :[ 599.484206] ata2.00: configured for UDMA/33 02:47:05 :[ 599.484213] ata2: EH complete 02:47:05 :[ 599.496699] ata1.00: configured for UDMA/33 02:47:05 :[ 599.496707] ata1: EH complete 04:45:59 :[ 7733.756548] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 04:45:59 :[ 7733.882748] EXT4-fs (dm-2): re-mounted. Opts: commit=0 04:45:59 :[ 7733.960142] ata1: hard resetting link 04:45:59 :[ 7733.960189] ata2: hard resetting link 04:46:00 :[ 7734.701926] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 04:46:00 :[ 7734.719939] ata1.00: configured for UDMA/33 04:46:00 :[ 7734.719946] ata1: EH complete 04:46:00 :[ 7734.722547] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 04:46:00 :[ 7734.726652] ata2.00: configured for UDMA/33 04:46:00 :[ 7734.726659] ata2: EH complete 04:46:02 :[ 7736.656465] ACPI: EC: GPE storm detected, transactions will use polling mode 13:38:49 :[39704.188621] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 13:38:49 :[39704.280588] EXT4-fs (dm-2): re-mounted. Opts: commit=600 13:38:49 :[39704.360819] ata1: hard resetting link 13:38:49 :[39704.360882] ata2: hard resetting link 13:38:50 :[39705.112956] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 13:38:50 :[39705.114435] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 13:38:50 :[39705.118673] ata2.00: configured for UDMA/33 13:38:50 :[39705.118682] ata2: EH complete 13:38:50 :[39705.127076] ata1.00: configured for UDMA/33 13:38:50 :[39705.127084] ata1: EH complete 13:39:49 :[39764.142463] applesmc: F1Mn: write arg fail 13:48:11 :[40267.025145] applesmc: FS! : read arg fail 13:52:53 :[40548.596735] applesmc: FS! : read arg fail 13:53:58 :[40613.972856] applesmc: FS! : read arg fail 13:54:08 :[40624.057339] applesmc: FS! : read arg fail 13:58:20 :[40875.397749] applesmc: TC0D: read data fail 14:16:56 :[41991.722054] applesmc: Th2H: read data fail 14:22:32 :[42327.991522] applesmc: light sensor data length set to 10 14:26:19 :[42554.788886] applesmc: F1Mn: write arg fail 14:32:36 :[42931.860443] applesmc: TC0F: read data fail 14:34:32 :[43048.041469] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 14:34:33 :[43048.185850] EXT4-fs (dm-2): re-mounted. Opts: commit=0 14:34:33 :[43048.270184] ata1: hard resetting link 14:34:33 :[43048.270224] ata2: hard resetting link 14:34:33 :[43049.030049] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:33 :[43049.030065] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:33 :[43049.034106] ata2.00: configured for UDMA/33 14:34:33 :[43049.034112] ata2: EH complete 14:34:33 :[43049.056952] ata1.00: configured for UDMA/33 14:34:33 :[43049.056959] ------------[ cut here ]------------ 14:34:33 :[43049.056968] WARNING: at /build/buildd/linux-2.6.35/drivers/ata/libata-eh.c:3638 ata_eh_finish+0xdf/0xf0() 14:34:33 :[43049.056971] Hardware name: MacBookPro5,3 14:34:33 :[43049.056973] Modules linked in: michael_mic arc4 xt_multiport binfmt_misc rfcomm sco bnep l2cap parport_pc ppdev nvidia(P) ipt_REJECT xt_recent snd_hda_codec_cirrus xt_limit xt_tcpudp ipt_addrtype xt_state snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi applesmc led_class ip6table_filter lib80211_crypt_tkip snd_rawmidi snd_seq_midi_event ip6_tables input_polldev hid_apple snd_seq wl(P) snd_timer snd_seq_device snd joydev bcm5974 usbhid mbp_nvidia_bl uvcvideo btusb videodev v4l1_compat v4l2_compat_ioctl32 nf_nat_irc hid nf_conntrack_irc soundcore snd_page_alloc i2c_nforce2 coretemp lib80211 bluetooth nf_nat_ftp nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack lp parport iptable_filter ip_tables x_tables usb_storage firewire_ohci firewire_core forcedeth crc_itu_t ahci libahci 14:34:33 :[43049.057048] Pid: 202, comm: scsi_eh_0 Tainted: P W 2.6.35-25-generic #44-Ubuntu 14:34:33 :[43049.057052] Call Trace: 14:34:33 :[43049.057060] [<ffffffff8106091f>] warn_slowpath_common+0x7f/0xc0 14:34:33 :[43049.057064] [<ffffffff8106097a>] warn_slowpath_null+0x1a/0x20 14:34:33 :[43049.057069] [<ffffffff813dc77f>] ata_eh_finish+0xdf/0xf0 14:34:33 :[43049.057074] [<ffffffff813e441e>] sata_pmp_error_handler+0x2e/0x40 14:34:33 :[43049.057083] [<ffffffffa00021bf>] ahci_error_handler+0x1f/0x90 [libahci] 14:34:33 :[43049.057088] [<ffffffff813dd6d2>] ata_scsi_error+0x492/0x5e0 14:34:33 :[43049.057093] [<ffffffff813b24cd>] scsi_error_handler+0x10d/0x190 14:34:33 :[43049.057097] [<ffffffff813b23c0>] ? scsi_error_handler+0x0/0x190 14:34:33 :[43049.057102] [<ffffffff8107f266>] kthread+0x96/0xa0 14:34:33 :[43049.057107] [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10 14:34:33 :[43049.057111] [<ffffffff8107f1d0>] ? kthread+0x0/0xa0 14:34:33 :[43049.057115] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10 14:34:33 :[43049.057118] ---[ end trace 76dbffc2d5d49d9d ]--- 14:34:33 :[43049.057123] ata1: EH complete 14:34:41 :[43057.012698] ata1: hard resetting link 14:34:42 :[43057.362780] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:42 :[43057.381432] ata1.00: configured for UDMA/33 14:34:42 :[43057.381441] ------------[ cut here ]------------ 14:34:42 :[43057.381450] WARNING: at /build/buildd/linux-2.6.35/drivers/ata/libata-eh.c:3638 ata_eh_finish+0xdf/0xf0() 14:34:42 :[43057.381453] Hardware name: MacBookPro5,3 14:34:42 :[43057.381455] Modules linked in: michael_mic arc4 xt_multiport binfmt_misc rfcomm sco bnep l2cap parport_pc ppdev nvidia(P) ipt_REJECT xt_recent snd_hda_codec_cirrus xt_limit xt_tcpudp ipt_addrtype xt_state snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi applesmc led_class ip6table_filter lib80211_crypt_tkip snd_rawmidi snd_seq_midi_event ip6_tables input_polldev hid_apple snd_seq wl(P) snd_timer snd_seq_device snd joydev bcm5974 usbhid mbp_nvidia_bl uvcvideo btusb videodev v4l1_compat v4l2_compat_ioctl32 nf_nat_irc hid nf_conntrack_irc soundcore snd_page_alloc i2c_nforce2 coretemp lib80211 bluetooth nf_nat_ftp nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack_ftp nf_conntrack lp parport iptable_filter ip_tables x_tables usb_storage firewire_ohci firewire_core forcedeth crc_itu_t ahci libahci 14:34:42 :[43057.381530] Pid: 202, comm: scsi_eh_0 Tainted: P W 2.6.35-25-generic #44-Ubuntu 14:34:42 :[43057.381533] Call Trace: 14:34:42 :[43057.381542] [<ffffffff8106091f>] warn_slowpath_common+0x7f/0xc0 14:34:42 :[43057.381546] [<ffffffff8106097a>] warn_slowpath_null+0x1a/0x20 14:34:42 :[43057.381551] [<ffffffff813dc77f>] ata_eh_finish+0xdf/0xf0 14:34:42 :[43057.381556] [<ffffffff813e441e>] sata_pmp_error_handler+0x2e/0x40 14:34:42 :[43057.381565] [<ffffffffa00021bf>] ahci_error_handler+0x1f/0x90 [libahci] 14:34:42 :[43057.381569] [<ffffffff813dd6d2>] ata_scsi_error+0x492/0x5e0 14:34:42 :[43057.381575] [<ffffffff813b24cd>] scsi_error_handler+0x10d/0x190 14:34:42 :[43057.381579] [<ffffffff813b23c0>] ? scsi_error_handler+0x0/0x190 14:34:42 :[43057.381584] [<ffffffff8107f266>] kthread+0x96/0xa0 14:34:42 :[43057.381589] [<ffffffff8100aee4>] kernel_thread_helper+0x4/0x10 14:34:42 :[43057.381594] [<ffffffff8107f1d0>] ? kthread+0x0/0xa0 14:34:42 :[43057.381598] [<ffffffff8100aee0>] ? kernel_thread_helper+0x0/0x10 14:34:42 :[43057.381601] ---[ end trace 76dbffc2d5d49d9e ]--- 14:34:42 :[43057.381624] ata1: EH complete 14:34:42 :[43057.557887] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 14:34:42 :[43057.560517] EXT4-fs (dm-2): re-mounted. Opts: commit=600 14:34:42 :[43057.621194] ata1: hard resetting link 14:34:42 :[43057.621252] ata2: hard resetting link 14:34:43 :[43058.370141] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:43 :[43058.370162] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:43 :[43058.374407] ata2.00: configured for UDMA/33 14:34:43 :[43058.374415] ata2: EH complete 14:34:43 :[43058.381989] ata1.00: configured for UDMA/33 14:34:43 :[43058.381996] ata1: EH complete 14:34:43 :[43058.616228] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=600 14:34:43 :[43058.618931] EXT4-fs (dm-2): re-mounted. Opts: commit=600 14:34:43 :[43058.626687] ata1: hard resetting link 14:34:43 :[43058.626731] ata2: hard resetting link 14:34:44 :[43059.372908] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:44 :[43059.372932] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 14:34:44 :[43059.376997] ata2.00: configured for UDMA/33 14:34:44 :[43059.377003] ata2: EH complete 14:34:44 :[43059.392576] ata1.00: configured for UDMA/33 14:34:44 :[43059.392585] ata1: EH complete 15:48:19 :[47474.710860] ata1: hard resetting link 15:48:19 :[47474.710882] ata2: hard resetting link 15:48:20 :[47475.460144] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 15:48:20 :[47475.460169] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 15:48:20 :[47475.473709] ata1.00: configured for UDMA/33 15:48:20 :[47475.473717] ata1: EH complete 15:48:20 :[47475.727960] ata2.00: configured for UDMA/33 15:48:20 :[47475.727969] ata2: EH complete 16:29:39 :[49954.295017] EXT4-fs (dm-0): re-mounted. Opts: errors=remount-ro,commit=0 16:29:39 :[49954.622307] EXT4-fs (dm-2): re-mounted. Opts: commit=0 16:29:39 :[49954.710139] ata1: hard resetting link 16:29:39 :[49954.710174] ata2: hard resetting link 16:29:40 :[49955.460046] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 16:29:40 :[49955.460062] ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 310) 16:29:40 :[49955.464138] ata2.00: configured for UDMA/33 16:29:40 :[49955.464144] ata2: EH complete 16:29:40 :[49955.473251] ata1.00: configured for UDMA/33 16:29:40 :[49955.473258] ata1: EH complete

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• Move virtual machine hard disk to a separate physical hard disk for better performance?

  - by joeeoj

  I have a dual-core machine with the host OS and many guest virtual OSs. Although I have 8GB of RAM, I notice a slowdown when I turn some virtual machine on (and it takes only 1GB RAM). I was told that I should move virtual machine hard disk file to a separate (another) physical hard drive in my PC to get better performance. This way the head of the hard disk would not have to jump from the virtual OS to the host OS as each hard drive would have its own head to deal with the OS: hard drive 1 head for host OS and hard drive 2 head for guest OS. Is this true? Should I get another hard disk only for virtual machine hard disk files?

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• VirtualBox : increase hard disk size of the virtual machine

  - by wim

  I have run out of space on my WinXP virtual machine, which I only gave 10 GB space for when I created it. Is there an easy way to increase it to, say, 20 GB? I can't see any obvious option in VirtualBox settings. edit: the suggestion below gives this error wim@wim-ubuntu:/media/data/winxp_vm$ VBoxManage modifyhd wim.vdi --resize 20000 VBoxManage: error: Cannot register the hard disk '/media/data/winxp_vm/wim.vdi' {46284957-2c09-4e70-8a49-bfbe0f7f681d} because a hard disk '/home/wim/VirtualBox VMs/winxp_vm/wim.vdi' with UUID {46284957-2c09-4e70-8a49-bfbe0f7f681d} already exists VBoxManage: error: Details: code NS_ERROR_INVALID_ARG (0x80070057), component VirtualBox, interface IVirtualBox, callee nsISupports Context: "OpenMedium(Bstr(pszFilenameOrUuid).raw(), enmDevType, AccessMode_ReadWrite, fForceNewUuidOnOpen, pMedium.asOutParam())" at line 210 of file VBoxManageDisk.cpp edit2: removing the .vdi from VirtualBox before calling VBoxManage command, then adding it back in, was successful. But now I can't boot the virtual machine, I get this worrying screen: By the way, it says FATAL: Could not read from the boot medium! System halted. edit3: The vdi must be reattached to the VM after VBoxManage command. Further, the partition will need to be resized from WITHIN windows, because you will have this empty space: I was able to resize the partition easily using a bit of freeware called EASEUS Partition Master 9.1.0 Home Edition.

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• Can't access external hard drives or thumb drives

  - by calden

  I am not a complete linux noob but I don't know a lot either and would greatly appreciate some help with this. I just installed Ubuntu 10.10 onto my laptop. Everything is working great however USB devices such as thumb drives and external hard drives wont show up. I have been looking around a bit and when I run sudo fdisk -l it displays this: Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00065684 Device Boot Start End Blocks Id System /dev/sda1 * 1 29255 234983424 83 Linux /dev/sda2 29255 30402 9212929 5 Extended /dev/sda5 29255 30402 9212928 82 Linux swap / Solaris Disk /dev/sdb: 16.0 GB, 16026435072 bytes 64 heads, 32 sectors/track, 15283 cylinders Units = cylinders of 2048 * 512 = 1048576 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x000df90d Device Boot Start End Blocks Id System /dev/sdb1 * 1 15283 15649776 7 HPFS/NTFS It does seem to display my 16 gig thumb drive but other then seeing it here I cant access it to read and write files to it. It does the same with my external hard drive. I know those devices work as I have tried them on my other computer and they are working fine. Also this is what is in fstab if this will help anybody help me: proc /proc proc nodev,noexec,nosuid 0 0 /dev/sdb1 / ext4 errors=remount-ro 0 1 /dev/sdb5 none swap sw 0 0 Thank you very much for the help everyone.

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• Why is Ubuntu unmounting my primary hard drive?

  - by Twisol

  I'm running Ubuntu 10.10 on my laptop (an Asus G73j), dual-booting Windows 7 if that matters. After using the computer for couple of hours or so, I get a popup complaining that a file was unmounted, then my GNOME desktop panels disappear. I can't save any unsaved work (the file browser shows "Filesystem" as totally empty), and other programs break in odd ways (like Chrome can't browse to any new pages, but keeps current ones going... at least I still have Pandora to listen to when this happens!). I've tried looking in the system logs to no avail; I'm assuming that it can't write any errors to the logs because, of course, the logs are on the primary hard drives. This started happening maybe a few days ago. Yesterday I upgraded from 10.4, but I believe it was happening before then. Any advice for figuring this out? EDIT: It just happened again, and I heard a small little clicky sound from the hard drive about five seconds before things went south. I'm thinking I should start backing up ASAP. In response to a comment, here's the dmesg output: http://askubuntu.pastebin.com/uYGshBay Also, the SMART status says the disk has a few bad sectors, and the detailed data says there are 14. It says it passed the self-assessment though. Lastly, this doesn't seem to be happening when I'm on Windows. I recently re-enabled ureadahead (which I disabled ages ago because it was causing Ubuntu to hang at the startup logo), could that be the source of the problem? I've disabled it again to see.

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• Which hard disk drive is which?

  - by djeikyb

  I want to know which hard disk drive corresponds to which device path. It's trivial to match the hard disk stats (brand, size) with the dev path, but I want more. I want to know which drive is which inside my case. What's a good way to go about getting this info? Rules: I am a lazy bum. I don't want to tear apart my server to remove all the drives, then add back one by one. A reboot is acceptable. The drives are inconveniently scrunched together in the case. All label information is hidden. The case can be opened. Most disks are SATA, so theoretically hot swappable. Unplugging cables is fair game. Bonus: For a cli only solution. I'll award answer to the best/easiest gui or cli answer, and give a bounty to the next-best answer of the other kind. Or maybe the other way around, because the bounty is worth more points.

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• Installing Windows from Ubuntu while booting only from the hard drive

  - by WindowsEscapist

  My problem is unrelated to this workaround (the question) here, but the end result is that I cannot change boot order (or use a boot menu) on my laptop. It is currently running Ubuntu 12.04 with a dual-boot to Fedora if anything goes catastrophically wrong with Ubuntu (read "if I mess it up"). I would really like to install Windows 7 (but XP would be fine) on an empty FAT32 partition I have already made because of issues with WINE-emulated programs running more slowly than under Windows. The problem is, I can only boot from my hard drive. I can boot from other devices by removing the hard drive, but this is irrelevant because SATA is non-hotpluggable (I can't plug it back in to install). Is there any way I could boot up a Windows installer CD (or other CDs)? (I know how to keep my Linux distros.) I have both the .iso's and the physical CDs (or can obtain them). This may be unneeded, but just as a disclaimer this is completely legal. The computer belongs to me, I have admin privs, etc. I'm not doing anything shady!

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• recovering raid 0 hard disk

  - by Hiawatha

  I bumped to a huge (for me) problem. I was running dual boot system (win 7 / linux) and at some point I decided to test fedora ( I am new in Linux ). My hard disk conf: 3 hard disks each 1 TB, 2 set to raid 0 with windows running on it and 1 for linux. After installing it from live usb I found out that windows 7 is not in grub anymore and while booting shows raid error. I installed back Ubuntu and ran Disk Utility and checked now I have one disks (raid 0) failed (READ) error. First has 5 bad sectors and second has 1 bad sector. And now I dont know what to do and how to repair. further I dont know which data i could provide to get help. I tried ntfsfix and got this output: Mounting volume... NTFS signature is missing. FAILED Attempting to correct errors... NTFS signature is missing. FAILED Failed to startup volume: Invalid argument NTFS signature is missing. Trying the alternate boot sector Unrecoverable error Volume is corrupt. You should run chkdsk. #sudo ntfs-3g -o force,rw /dev/sdb /media/windows NTFS signature is missing. Failed to mount '/dev/sdb': Invalid argument The device '/dev/sdb' doesn't seem to have a valid NTFS. Maybe the wrong device is used? Or the whole disk instead of a partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?

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• Does Hard Drive Orientation Affect Its Lifespan?

  - by Jason Fitzpatrick

  Many cases allow you to mount drives in vertical or horizontal configurations and external drives can be easily repositioned. Does the orientation of the hard drive affect the performance and longevity of the drive? Today’s Question & Answer session comes to us courtesy of SuperUser—a subdivision of Stack Exchange, a community-drive grouping of Q&A web sites. 6 Ways Windows 8 Is More Secure Than Windows 7 HTG Explains: Why It’s Good That Your Computer’s RAM Is Full 10 Awesome Improvements For Desktop Users in Windows 8

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• Why doesn't Ubuntu detect my second hard drive?

  - by user93179

  I am new to Linux and to Ubuntu, I was wondering, I have two hard drives setup in SATA ports (non-raid, at least I don't think they are). I installed ubuntu unto the drives fresh without any previous versions or windows at all. However when I got the Ubuntu 12.04 LTS working, all I see is 1 x 120 gigabyte harddrive. Also, not sure if this is important or not, my hard drives are SSD. My computer specs are Asus P9Z77-V-LK Nvidia Geforce GTX 660 TI Intel i5 3570k 3.4 /proc/partitions shows: major minor #blocks name 8 0 117220824 sda 8 1 117219328 sda1 8 16 117220824 sdb 8 17 96256 sdb1 8 18 108780544 sdb2 8 19 8342528 sdb3 11 0 1048575 sr0 and ls -l /sys/block/ | grep -v /virtual/: lrwxrwxrwx 1 root root 0 Sep 27 17:26 sda - ../devices/pci0000:00/0000:00:1f.2/host0/target0:0:0/0:0:0:0/block/sda lrwxrwxrwx 1 root root 0 Sep 27 17:26 sdb - ../devices/pci0000:00/0000:00:1f.2/host1/target1:0:0/1:0:0:0/block/sdb lrwxrwxrwx 1 root root 0 Sep 27 22:26 sdc - ../devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/host6/target6:0:0/6:0:0:0/block/sdc lrwxrwxrwx 1 root root 0 Sep 27 22:04 sr0 - ../devices/pci0000:00/0000:00:1f.2/host3/target3:0:0/3:0:0:0/block/sr0 sudo file -s /dev/sd*: /dev/sda: x86 boot sector; partition 1: ID=0x7, starthead 32, startsector 2048, 234438656 sectors, code offset 0xc0, OEM-ID " ?", Bytes/sector 190, sectors/cluster 124, reserved sectors 191, FATs 6, root entries 185, sectors 64514 (volumes 32 MB) , physical drive 0x7e, dos 32 MB) , FAT (32 bit), sectors/FAT 749, reserved3 0x800000, serial number 0x35361a2b, unlabeled /dev/sdb2: Linux rev 1.0 ext4 filesystem data, UUID=387761ac-5eba-4d0f-93ba-746a82fb541d (needs journal recovery) (extents) (large files) (huge files) /dev/sdb3: data /dev/sdc: x86 boot sector; partition 1: ID=0xc, active, starthead 0, startsector 8064, 30473088 sectors, code offset 0xc0 /dev/sdc1: x86 boot sector, code offset 0x58, OEM-ID "SYSLINUX", sectors/cluster 64, reserved sectors 944, Media descriptor 0xf8, heads 128, hidden sectors 8064, sectors 30473088 (volumes 32 MB) , FAT (32 bit), sectors/FAT 3720, Backup boot sector 8, serial number 0xf90c12e9, label: "KINGSTON " /dev/sda1: x86 boot sector, code offset 0x52, OEM-ID "NTFS ", sectors/cluster 8, reserved sectors 0, Media descriptor 0xf8, heads 255, hidden sectors 2048, dos 32 MB) , FAT (32 bit), sectors/FAT 749, reserved3 0x800000, serial number 0x35361a2b, unlabeled Any help would be greatly appreciated! Thanks Another thing I noticed is, when i use gparted to locate my drives, it seems that sda1 is my second drive that I am not detecting when I boot up and my ubuntu + FAT Boot files are installed in sdb1

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• Does extra hard drive cache make a difference for streaming video?

  - by johnny

  I am looking at the following two drives for a RAID device, which will be streaming normal things but also a lot of video: Seagate Constellation ES.3 ST4000NM0033 - hard drive - 4 TB - SATA-600 TOSHIBA DT01ACA300 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Will the 128 MB cache on the Seagate have an effect in my described scenario, compared to the 64 MB on the Toshiba? If so, what sort of difference can I expect? I'm using a qnap device, if that matters.

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• Failed to create symbolic link to keytool

  - by mt0s

  Keytool is /usr/bin/keytool and points to /etc/alternatives/keytool which in turn points to /usr/lib/jvm/java-6-openjdk-i386/jre/bin/keytool. Now I have installed java version 1.7.0_45 so I need to change keytool to the new path : /usr/lib/jvm/jdk1.7.0_45/jre/bin/keytool I tried deleting the /usr/bin/keytool with rm -rf and then adding a new link like : sudo ln -s /usr/bin/keytool /usr/lib/jvm/jdk1.7.0_45/jre/bin/keytool but what I get is ln: failed to create symbolic link `/usr/lib/jvm/jdk1.7.0_45/jre/bin/keytool': File exists I also tried : sudo update-alternatives --config keytool There is only one alternative in link group keytool: /usr/lib/jvm/java-6-openjdk-i386/jre/bin/keytool Nothing to configure. update-alternatives: warning: forcing reinstallation of alternative /usr/lib/jvm/java-6-openjdk-i386/jre/bin/keytool because link group keytool is broken. but doesn't works too. Any suggestions ? Thank you

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• Plex Media Server: Won't find media External Hard Drive

  - by grayed01

  I am attempting to turn an older PC into a home media server with Ubuntu 12.04 using Plex Media Server. I have a newer WD 2 TB external USB HD with all of my media on it. I can not for the life of me figure out why Plex will not recognize the files on this hard drive. It shows the external as there, Ubuntu shows the files and allows me to play them, view them, etc. Plex shows the name "External". But when I click it, it is 100% empty and shows nothing to add. I can access the files on the external through file sharing just fine, on my windows computers but would love to be able to use Plex for streaming with our Roku. I am fairly new to Ubuntu, I have used Plex with the same HD on Windows and it worked fine. I have read multiple articles on this and nothing seems to be doing the trick. How can I solve this?

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• Delete directory by referencing symbolic link

  - by Adam

  To set up the question, imagine this scenario: mkdir ~/temp cd ~/ ln -s temp temporary rm -rf temporary, rm -f temporary, and rm temporary each will remove the symbolic link but leave the directory ~/temp/. I have a script where the name of the symbolic link is easily derived but the name of the linked directory is not. Is there a way to remove the directory by referencing the symbolic link, short of parsing the name of the directory from ls -od ~/temporary?

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• Need Help Changing Owner of External HArd Drive

  - by Thomas Ballew

  My understanding of code is about zero. I can open a terminal window, and type commands that are given to me, but that's about it. If someone can help me with this question, and explain at a level I'm likely to understand, thanks. If not, thanks anyway. I have an external hard drive with two partitions. I bought this drive when my operating system was Apple, 10.5 or so, and it was formatted as HFS+ with that system. Now, connecting the HD to my Linux system, I can read files, but I have about 1.5 TB of space that I can't use, because I am not the owner of the file, so can't write to the HD. Short of reformatting the HD, is there a way for me to set the permissions for the HD so I can write to it? Again, thank you.

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• Ubuntu installer doesn't see internal hard drive on DELL Vostro 3360

  - by valk

  I just received a new DELL Vostro 3360, it has Windows 7 preinstalled. When it comes to the partition window I can't see the hard drive there. I see only /dev/sda or /dev/sdb (either one and in both cases it's a usb drive from which I'm installing). I tried every imaginable BIOS configuration. Tried to change the SATA mode to ATA, DHCI and more. EDIT: I tried to install with standard Ubuntu 12.04 32 bit, and 11.10 64 bit official versions. No luck. I'll appreciate any suggestion.

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• External USB hard drive makes noises when the computer is turned off

  - by Amir Adar

  I have an external USB hard drive of 500GB. I can't tell what model it is exactly, as nothing specific is written on it and I don't have the box anymore. I use it as a backup disk. It works absolutely fine when the computer is turned on: no problems with writing or reading, and everything is done in dead silence. However, if I turn the computer off and the disk is still connected, it stays on and makes clicking noises. For that reason I only connect it when I need to back up or restore. Does that mean there's a problem with the disk, or with some preferences in the system itself? Or something else?

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• Unable to mount hard disk

  - by user101522

  I am unable to mount hard disk and got this message: Unable to mount 158 GB Filesystem Error mounting: mount: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error In some cases useful info is found in syslog - try dmesg | tail or so From the terminal, I tried syslog - try: No command 'syslog' found, did you mean: Command 'dsyslog' from package 'dsyslog' (universe) Command 'syslogd' from package 'sysklogd' (universe) Command 'syslogd' from package 'inetutils-syslogd' (universe) Command 'syslogd' from package 'busybox-syslogd' (universe) syslog: command not found Also tried dmesg | tail: [ 971.390588] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 12 62 30 80 00 00 40 00 [ 971.390600] end_request: I/O error, dev sda, sector 308424832 [ 971.390605] Read-error on swap-device (8:0:308424840) [ 971.390608] Read-error on swap-device (8:0:308424848) [ 971.390617] Read-error on swap-device (8:0:308424856) [ 971.390620] Read-error on swap-device (8:0:308424864) [ 971.390623] Read-error on swap-device (8:0:308424872) [ 971.390626] Read-error on swap-device (8:0:308424880) [ 971.390629] Read-error on swap-device (8:0:308424888) [ 971.390632] Read-error on swap-device (8:0:308424896) It was fine before I tried to re-install 12.04 from the live CD (which failed due to the disk problem).

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• Why is Ubuntu unmounting my primary hard drive?

  - by Twisol

  I'm running Ubuntu 10.10 on my laptop (an Asus G73j), dual-booting Windows 7 if that matters. After using the computer for couple of hours or so, I get a popup complaining that a file was unmounted, then my GNOME desktop panels disappear. I can't save any unsaved work (the file browser shows "Filesystem" as totally empty), and other programs break in odd ways (like Chrome can't browse to any new pages, but keeps current ones going... at least I still have Pandora to listen to when this happens!). I've tried looking in the system logs to no avail; I'm assuming that it can't write any errors to the logs because, of course, the logs are on the primary hard drives. This started happening maybe a few days ago. Yesterday I upgraded from 10.4, but I believe it was happening before then. Any advice for figuring this out?

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• can't see second hard drive

  - by Todd K

  I had XP Pro installed, and then I installed 12.04 dual boot. System has 2 hard drives, c: (as in windows) is primarily OS stuff, and then E: is data/personal documents. XP can still see both drives as normal after the ubuntu install, but ubuntu can only see the windows C: drive. How can I access the second drive? I can't see any trace of it, using the little *nix know-how I have, which isn't much...any help is great! Thanks!

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• How does a hard drive compare to Flash memory working as a hard drive in terms of speed?

  - by Jian Lin

  Some experiment I did with hard drive read/write speed was 10MB/s write and 40MB/s read, and with a USB Flash drive, it can be 5MB/s write and 10MB/s read. Also, if I put a virtual hard drive .vhd file in a hard drive or in a USB Flash drive and try a Virtual Machine using it, the one using the hard drive is quite fast, while the one using the USB Flash drive is close to not usable. So I wonder some early netbooks use 4GB or 8GB flash memory as the hard drive, and even the Apple Mac Air has an option of using flash memory instead of a hard drive. But in those situation, will the speed be slower than using a hard drive, like in the case of a USB Flash drive?

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