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  • Two dimensional virtual desktop space in Ubuntu

    - by Herms
    Is there any way to create a 2-dimensional virtual desktop space in Ubuntu? The only control I'm seeing is the number of virtual desktops, but they seem to only go in a line. I'm used to having a 2-dimensional space (so I can go up/down/left/right instead of just left/right), and I'd really like to have that in ubuntu as well.

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  • VMware Fusion disk size

    - by churnd
    I have a Windows XP x64 install in VMware Fusion. The amount of space that the VM reports as used (C:) is ~20GB. However, the amount of space the VM is taking up on my disk is 30GB. Why the inconsistency? I do not have autoprotect enabled, nor do I have any snapshots I'm aware of. I have defragmented the drive and used Drive Cleanup from the VMware settings.

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  • Linux filesystem with inodes close on the disk

    - by pts
    I'd like to make the ls -laR /media/myfs on Linux as fast as possible. I'll have 1 million files on the filesystem, 2TB of total file size, and some directories containing as much as 10000 files. Which filesystem should I use and how should I configure it? As far as I understand, the reason why ls -laR is slow because it has to stat(2) each inode (i.e. 1 million stat(2)s), and since inodes are distributed randomly on the disk, each stat(2) needs one disk seek. Here are some solutions I had in mind, none of which I am satisfied with: Create the filesystem on an SSD, because the seek operations on SSDs are fast. This wouldn't work, because a 2TB SSD doesn't exist, or it's prohibitively expensive. Create a filesystem which spans on two block devices: an SSD and a disk; the disk contains file data, and the SSD contains all the metadata (including directory entries, inodes and POSIX extended attributes). Is there a filesystem which supports this? Would it survive a system crash (power outage)? Use find /media/myfs on ext2, ext3 or ext4, instead of ls -laR /media/myfs, because the former can the advantage of the d_type field (see in the getdents(2) man page), so it doesn't have to stat. Unfortunately, this doesn't meet my requirements, because I need all file sizes as well, which find /media/myfs doesn't print. Use a filesystem, such as VFAT, which stores inodes in the directory entries. I'd love this one, but VFAT is not reliable and flexible enough for me, and I don't know of any other filesystem which does that. Do you? Of course, storing inodes in the directory entries wouldn't work for files with a link count more than 1, but that's not a problem since I have only a few dozen such files in my use case. Adjust some settings in /proc or sysctl so that inodes are locked to system memory forever. This would not speed up the first ls -laR /media/myfs, but it would make all subsequent invocations amazingly fast. How can I do this? I don't like this idea, because it doesn't speed up the first invocation, which currently takes 30 minutes. Also I'd like to lock the POSIX extended attributes in memory as well. What do I have to do for that? Use a filesystem which has an online defragmentation tool, which can be instructed to relocate inodes to the the beginning of the block device. Once the relocation is done, I can run dd if=/dev/sdb of=/dev/null bs=1M count=256 to get the beginning of the block device fetched to the kernel in-memory cache without seeking, and then the stat(2) operations would be fast, because they read from the cache. Is there a way to lock those inodes and/or blocks into memory once they have been read? Which filesystem has such a defragmentation tool?

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  • Disk usage treemap software for headless Linux

    - by CyberShadow
    There are some programs which can display used disk space using a treemap, such as WinDirStat for Windows and KDirStat for KDE/Linux: I'm looking for something similar, but for a headless Linux box. (E.g. run console data collection program on the server, then load the file in a graphical program in a GUI environment.) Alternatively, what are other good ways to get a structured used disk space representation, with just SSH access?

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  • Oracle 10 g - Unable to free up space in tablespace

    - by Bruno Rothgiesser
    The tablespace in Oracle 10g is almost 100% used. Size (MB) = 571,768.0 Used (MB) = 571,534.0 I just deleted (and committed) thousands of records in a table that belongs to a schema associated with that tablespace. Surprisingly, no space was freed up according to the Tablespaces page on Enterprise Manager. Question: is there anything that I need to do to force Oracle to release the space corresponding to the deleted records?

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  • Suppress "running out of disk space" Message (per drive) on Windows Server 2003

    - by Shoeless
    We have a database server with separate drives for OS, various data files and the transaction log. Our transaction log spills over onto other volumes as well- this is expected behavior. The problem is that we are constantly getting popups that our transaction log drive is out of space (and that I can free space by deleting old or unnecessary files). Is there some way to prevent this message from popping up for this particular drive?

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  • Get Used rather than Provisioned space in PowerCLI

    - by Matt
    I'm trying to run a capacity report, and when I run the Get-HardDisk cmdlet in PowerCLI, the value it returns for CapacityKB is the Provisioned space. For example, let's say I've thin provisioned a 200GB disk, which is currently using say 30GB, it returns the 200GB value. Is there any way I can get the other value? I need to know how much disk space is actually being used on the LUN by the vmdk file. My PowerCLI version is 5.0.1.

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  • Removable Disk Drives Not Appearing

    - by user24416
    OS: Vista, SP1 My SD/MMC drive does not appear anywhere (MyComputer, Disk Manager). In My Computer the only available drives ar C:\, D:\ and J:. I can no longer view any removable disk drives. When I put my SD card into its slot, it doesn't get read at all. I can't load pictures from my card to my PC. Any insight would be greatly appreciated. Thanks!

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  • CTRL-Space always toggles Chinese IME (Windows 7)

    - by peterchen
    I am running Windows 7 Ultimate (w/ SP1), and have multiple UI languages installed - mainly for screenshots etc. Among them are Chinese (traditional) and Chinese (Simplified), which insist on hooking the CTRL+Space key even though I have disabled / overridden these hotkey assignments under Language Bar settings / Advanced key settings. (It conflicts with CTRL+Space in the Visual Studio IDE, and is pretty annoying beyond that.) Any ideas?

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  • Free-space driven log rotation on linux?

    - by kdt
    Someone just asked me 'how long should we keep logs for our application', and my answer was 'until the disk is full' as there's no reason to throw them away other than running out of space. However, standard logrotate wants us to specify a specific period + number of rotations. Is there something similar that would let us say "rotate daily, and keep as much history as you like until there is only 5% space free"? The platform is Redhat Linux.

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  • can I consolidate a multi-disk zfs zpool to a single (larger) disk?

    - by rmeden
    I have this zpool: bash-3.2# zpool status dpool pool: dpool state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM dpool ONLINE 0 0 0 c3t600601604F021A009E1F867A3E24E211d0 ONLINE 0 0 0 c3t600601604F021A00141D843A3F24E211d0 ONLINE 0 0 0 I would like to replace both of these disks with a single (larger disk). Can it be done? zpool attach allows me to replace one physical disk, but it won't allow me to replace both at once.

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  • Extend volume where unallocated space lies ahead of it

    - by T3rm1
    I want to extend my volume. However the unallocated space lies ahead of the volume. Is it possible to extend this volume without converting it to a dynamic volume? I can't include images yet, so here you go: http://www.abload.de/img/unbenannttboxq.png I tried to use diskpart with the extend command but it doesn't work. Makes sense because the instructions says that the unallocated space has to be behind the volume.

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  • "No space left on device" with FreeBSD

    - by why
    When I login with root, and run "mkdir .ssh", the system says "No space left on device". But if I login with other user, it goes well. [/root]df -h Filesystem Size Used Avail Capacity Mounted on /dev/da0s1a 496M 411M 45M 90% / devfs 1.0K 1.0K 0B 100% /dev /dev/da0s1e 496M 12K 456M 0% /tmp /dev/da0s1f 57G 878M 51G 2% /usr /dev/da0s1d 4.3G 215M 3.8G 5% /var [/root]mkdir .ssh /: create/symlink failed, no inodes free mkdir: .ssh: No space left on device

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  • linux disk usage report inconsistancy after removing file. cpanel inaccurate disk usage report

    - by brando
    relevant software: Red Hat Enterprise Linux Server release 6.3 (Santiago) cpanel installed 11.34.0 (build 7) background and problem: I was getting a disk usage warning (via cpanel) because /var seemed to be filling up on my server. The assumption would be that there was a log file growing too large and filling up the partition. I recently removed a large log file and changed my syslog config to rotate the log files more regularly. I removed something like /var/log/somefile and edited /etc/rsyslog.conf. This is the reason I was suspicious of the disk usage report warning issued by cpanel that I was getting because it didn't seem right. This is what df was reporting for the partitions: $ [/var]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.9G 511M 8.9G 6% / tmpfs 5.9G 0 5.9G 0% /dev/shm /dev/sda1 99M 53M 42M 56% /boot /dev/sda8 883G 384G 455G 46% /home /dev/sdb1 9.9G 151M 9.3G 2% /tmp /dev/sda3 9.9G 7.8G 1.6G 84% /usr /dev/sda5 9.9G 9.3G 108M 99% /var This is what du was reporting for /var mount point: $ [/var]# du -sh 528M . clearly something funky was going on. I had a similar kind of reporting inconsistency in the past and I restarted the server and df reporting seemed to be correct after that. I decided to reboot the server to see if the same thing would happpen. This is what df reports now: $ [~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 9.9G 511M 8.9G 6% / tmpfs 5.9G 0 5.9G 0% /dev/shm /dev/sda1 99M 53M 42M 56% /boot /dev/sda8 883G 384G 455G 46% /home /dev/sdb1 9.9G 151M 9.3G 2% /tmp /dev/sda3 9.9G 7.8G 1.6G 84% /usr /dev/sda5 9.9G 697M 8.7G 8% /var This looks more like what I'd expect to get. For consistency this is what du reports for /var: $ [/var]# du -sh 638M . question: This is a nuisance. I'm not sure where the disk usage reports issued by cpanel get their info but it clearly isn't correct. How can I avoid this inaccurate reporting in the future? It seems like df reporting wrong disk usage is a strong indicator of the source problem but I'm not sure. Is there a way to 'refresh' the filesystem somehow so that the df report is accurate without restarting the server? Any other ideas for resolving this issue?

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  • remove white space before delimiter with sed

    - by Erik
    I have data of the following format that I want to input into LibreOffice calc data | num | num | num | num For some reason Libreoffice does not think the string "3214 " is a number by default (trailing white space). I want to replace '(\s)*|' with '|' where \s stands for space and * for the Kleene star operation. And do this at multiple places in each line (all matches). I tried: sed -i 's/(\s)*|/|/' DataStats0914.txt But it has no effect.

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  • Would someone please explain Octree Collisions to me?

    - by A-Type
    I've been reading everything I can find on the subject and I feel like the pieces are just about to fall into place, but I just can't quite get it. I'm making a space game, where collisions will occur between planets, ships, asteroids, and the sun. Each of these objects can be subdivided into 'chunks', which I have implemented to speed up rendering (the vertices can and will change often at runtime, so I've separated the buffers). These subdivisions also have bounding primitives to test for collision. All of these objects are made of blocks (yeah, it's that kind of game). Blocks can also be tested for rough collisions, though they do not have individual bounding primitives for memory reasons. I think the rough testing seems to be sufficient, though. So, collision needs to be fairly precise; at block resolution. Some functions rely on two blocks colliding. And, of course, attacking specific blocks is important. Now what I am struggling with is filtering my collision pairs. As I said, I've read a lot about Octrees, but I'm having trouble applying it to my situation as many tutorials are vague with very little code. My main issues are: Are Octrees recalculated each frame, or are they stored in memory and objects are shuffled into different divisions as they move? Despite all my reading I still am not clear on this... the vagueness of it all has been frustrating. How far do Octrees subdivide? Planets in my game are quite large, while asteroids are smaller. Do I subdivide to the size of the planet, or asteroid (where planet is in multiple divisions)? Or is the limit something else entirely, like number of elements in the division? Should I load objects into the octrees as 'chunks' or in the whole, then break into chunks later? This could be specific to my implementation, I suppose. I was going to ask about how big my root needed to be, but I did manage to find this question, and the second answer seems sufficient for me. I'm afraid I don't really get what he means by adding new nodes and doing subdivisions upon adding new objects, probably because I'm confused about whether the tree is maintained in memory or recalculated per-frame.

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  • Linux not buffering block I/O when the device is not "in use" (i.e. mounted)

    - by Radek Hladík
    I am installing new server and I've found an interesting issue. The server is running Fedora 19 (3.11.7-200.fc19.x86_64 kernel) and is supposed to host a few KVM/Qemu virtual servers (mail server, file server, etc..). The HW is Intel(R) Xeon(R) CPU 5160 @ 3.00GHz with 16GB RAM. One of the most important features will be Samba server and we have decided to make it as virtual machine with almost direct access to the disks. So the real HDD is cached on SSD (via bcache) then raided with md and the final device is exported into the virtual machine via virtio. The virtual machine is again Fedora 19 with the same kernel. One important topic to find out is whether the virtualization layer will not introduce high overload into disk I/Os. So far I've been able to get up to 180MB/s in VM and up to 220MB/s on real HW (on the SSD disk). I am still not sure why the overhead is so big but it is more than the network can handle so I do not care so much. The interesting thing is that I've found that the disk reads are not buffered in the VM unless I create and mount FS on the disk or I use the disks somehow. Simply put: Lets do dd to read disk for the first time (the /dev/vdd is an old Raptor disk 70MB/s is its real speed): [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 36.8038 s, 71.2 MB/s Buffers: 14444 kB Rereading the data shows that they are cached somewhere but not in buffers of the VM. Also the speed increased to "only" 500MB/s. The VM has 4GB of RAM (more that the test file) [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.16016 s, 508 MB/s Buffers: 14444 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.05727 s, 518 MB/s Buffers: 14444 kB Now lets mount the FS on /dev/vdd and try the dd again: [root@localhost ~]# mount /dev/vdd /mnt/tmp [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 4.68578 s, 559 MB/s Buffers: 2574592 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 1.50504 s, 1.7 GB/s Buffers: 2574592 kB While the first read was the same, all 2.6GB got buffered and the next read was at 1.7GB/s. And when I unmount the device: [root@localhost ~]# umount /mnt/tmp [root@localhost ~]# cat /proc/meminfo | grep Buffers Buffers: 14452 kB [root@localhost ~]# dd if=/dev/vdd of=/dev/null bs=256k count=10000 ; cat /proc/meminfo | grep Buffers 2621440000 bytes (2.6 GB) copied, 5.10499 s, 514 MB/s Buffers: 14468 kB The bcache was disabled while testing and the results are same on faster (newer) HDDs and on SSD (except for the initial read speed of course). To sum it up. When I read from the device via dd first time, it gets read from the disk. Next time I reread it gets cached in the host but not in the guest (thats actually the same issue, more on that later). When I mount the filesystem but try to read the device directly it gets cached in VM (via buffers). As soon as I stop "using" it, buffers are discarded and the device is not cached anymore in the VM. When I looked into buffers value on the host I realized that the situation is the same. The block I/O gets buffered only when the disk is in use, in this case it means "exported to a VM". On host, after all the measurement done: 3165552 buffers On the host, after the VM shutdown: 119176 buffers I know it is not important as the disks will be mounted all the time but I am curious and I would like to know why it is working like this.

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  • RAID1 rebuild fails due to disk errors

    - by overlord_tm
    Quick info: Dell R410 with 2x500GB drives in RAID1 on H700 Adapter Recently one of drives in RAID1 array on server failed, lets call it Drive 0. RAID controller marked it as fault and put it offline. I replaced faulty disk with new one (same series and manufacturer, just bigger) and configured new disk as hot spare. Rebuild from Drive1 started immediately and after 1.5 hour I got message that Drive 1 failed. Server was unresponsive (kernel panic) and required reboot. Given that half hour before this error rebuild was at about 40%, I estimated that new drive is not in sync yet and tried to reboot just with Drive 1. RAID controller complained a bit about missing RAID arrays, but it found foreign RAID array on Drive 1 and I imported it. Server booted and it runs (from degraded RAID). Here is SMART data for disks. Drive 0 (the one that failed first) ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 200 200 051 - 1 3 Spin_Up_Time POS--K 142 142 021 - 3866 4 Start_Stop_Count -O--CK 100 100 000 - 12 5 Reallocated_Sector_Ct PO--CK 200 200 140 - 0 7 Seek_Error_Rate -OSR-K 200 200 000 - 0 9 Power_On_Hours -O--CK 086 086 000 - 10432 10 Spin_Retry_Count -O--CK 100 253 000 - 0 11 Calibration_Retry_Count -O--CK 100 253 000 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 11 192 Power-Off_Retract_Count -O--CK 200 200 000 - 10 193 Load_Cycle_Count -O--CK 200 200 000 - 1 194 Temperature_Celsius -O---K 112 106 000 - 31 196 Reallocated_Event_Count -O--CK 200 200 000 - 0 197 Current_Pending_Sector -O--CK 200 200 000 - 0 198 Offline_Uncorrectable ----CK 200 200 000 - 0 199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 0 200 Multi_Zone_Error_Rate ---R-- 200 198 000 - 3 And Drive 1 (the drive which was reported healthy from controller until rebuild was attempted) ID# ATTRIBUTE_NAME FLAGS VALUE WORST THRESH FAIL RAW_VALUE 1 Raw_Read_Error_Rate POSR-K 200 200 051 - 35 3 Spin_Up_Time POS--K 143 143 021 - 3841 4 Start_Stop_Count -O--CK 100 100 000 - 12 5 Reallocated_Sector_Ct PO--CK 200 200 140 - 0 7 Seek_Error_Rate -OSR-K 200 200 000 - 0 9 Power_On_Hours -O--CK 086 086 000 - 10455 10 Spin_Retry_Count -O--CK 100 253 000 - 0 11 Calibration_Retry_Count -O--CK 100 253 000 - 0 12 Power_Cycle_Count -O--CK 100 100 000 - 11 192 Power-Off_Retract_Count -O--CK 200 200 000 - 10 193 Load_Cycle_Count -O--CK 200 200 000 - 1 194 Temperature_Celsius -O---K 114 105 000 - 29 196 Reallocated_Event_Count -O--CK 200 200 000 - 0 197 Current_Pending_Sector -O--CK 200 200 000 - 3 198 Offline_Uncorrectable ----CK 100 253 000 - 0 199 UDMA_CRC_Error_Count -O--CK 200 200 000 - 0 200 Multi_Zone_Error_Rate ---R-- 100 253 000 - 0 In extended error logs from SMART I found: Drive 0 has only one error Error 1 [0] occurred at disk power-on lifetime: 10282 hours (428 days + 10 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER -- ST COUNT LBA_48 LH LM LL DV DC -- -- -- == -- == == == -- -- -- -- -- 10 -- 51 00 18 00 00 00 6a 24 20 40 00 Error: IDNF at LBA = 0x006a2420 = 6956064 Commands leading to the command that caused the error were: CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name -- == -- == -- == == == -- -- -- -- -- --------------- -------------------- 61 00 60 00 f8 00 00 00 6a 24 20 40 00 17d+20:25:18.105 WRITE FPDMA QUEUED 61 00 18 00 60 00 00 00 6a 24 00 40 00 17d+20:25:18.105 WRITE FPDMA QUEUED 61 00 80 00 58 00 00 00 6a 23 80 40 00 17d+20:25:18.105 WRITE FPDMA QUEUED 61 00 68 00 50 00 00 00 6a 23 18 40 00 17d+20:25:18.105 WRITE FPDMA QUEUED 61 00 10 00 10 00 00 00 6a 23 00 40 00 17d+20:25:18.104 WRITE FPDMA QUEUED But Drive 1 has 883 errors. I see only few last ones and all errors I can see look like this: Error 883 [18] occurred at disk power-on lifetime: 10454 hours (435 days + 14 hours) When the command that caused the error occurred, the device was active or idle. After command completion occurred, registers were: ER -- ST COUNT LBA_48 LH LM LL DV DC -- -- -- == -- == == == -- -- -- -- -- 01 -- 51 00 80 00 00 39 97 19 c2 40 00 Error: AMNF at LBA = 0x399719c2 = 966203842 Commands leading to the command that caused the error were: CR FEATR COUNT LBA_48 LH LM LL DV DC Powered_Up_Time Command/Feature_Name -- == -- == -- == == == -- -- -- -- -- --------------- -------------------- 60 00 80 00 00 00 00 39 97 19 80 40 00 1d+00:25:57.802 READ FPDMA QUEUED 2f 00 00 00 01 00 00 00 00 00 10 40 00 1d+00:25:57.779 READ LOG EXT 60 00 80 00 00 00 00 39 97 19 80 40 00 1d+00:25:55.704 READ FPDMA QUEUED 2f 00 00 00 01 00 00 00 00 00 10 40 00 1d+00:25:55.681 READ LOG EXT 60 00 80 00 00 00 00 39 97 19 80 40 00 1d+00:25:53.606 READ FPDMA QUEUED Given those errors, is there any way I can rebuild RAID back, or should I make backup, shutdown server, replace disks with new ones and restore it? What about if I dd faulty disk to new one from linux running on USB/CD? Also, if anyone have more experiences, what could be causes for those errors? Crappy controller or disks? Disks are about 1 year old, but it is pretty unbelievable to me that both would die within so short timespan.

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  • Gparted funkiness - won't recognize 1TB, full-hdd /home partition, but recognizes ext4 and /home label

    - by Kurtosis
    I have a 1TB SATA hard disk from my old desktop, and the entire thing is an ext4 /home partition (/, /boot, and swap were all on another hdd). It is now in a USB2 enclosure and I want to use it to back up my current laptop /home. To do this I need to shrink the /home partition on the 1TB backup drive. It only uses about 500GB so that shouldn't be a problem, I'll start the laptop with an Ubuntu live USB, plug in the 1TB drive, and use Gparted to shrink the 1TB /home partition to ~500GB. Then I can create a second partition in the newly freed space, and cp -ax my laptop's /home over to it. Unfortuntely, Ubuntu Live USB can detect and mount the external hdd, and Gparted can see it's there, but Gparted can't read it and hence can't resize it. Disk Utility reports the drive is fine, no errors, so I'm not sure what's the problem. See linked pics, worth a thousand words. Anyone know what the problem is here? Any pointers in the right direction much appreciated.

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  • What is the difference between the "Entire Partition" and "Entire Disc"?

    - by Roman
    I want to install Ubuntu alongside my Windows 7 operation system. During installation I have three options: Install alongside the existing OS. Remove everything and install Ubuntu. Manual partitioning (advanced). The above list is not precise (I do not remember what exactly was written there and I just write options as I have understood them). I know that option 2 is not mine. So, I need to choose either 1 or 3. I do not know which one I need to choose. I want to have a possibility to manually specify space assigned to Windows and Ubuntu (for example 40% for Windows and 60% for Ubuntu). I chose the 1st option and I saw a window with the following information. Allocate drive space by dragging the drive bellow. File (48.1 GB) Ubuntu /dev/sda2 (ntfs) /dev/sda3 (ext4) 286.6 GB 241.7 GB 2 small partitions are hidden, use the advanced partitioning tool for more control. [use entire partition] [use entire disk] [Quit] [Back] [Install Now] My problem is that I do not understand what I see. In particular I can press [use entire partition] or [use entire disk] and I do not know what is the difference. Moreover, as far as I understand, I can even press [Install Now] without pressing one of the two above mentioned buttons. So, I have 3 options. What is the difference between them? The most important thing for me is not to delete the old operation system with all the data stored there.

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  • ??11.2 RAC??OCR?Votedisk??ASM Diskgroup?????

    - by Liu Maclean(???)
    ????????Oracle Allstarts??????????ocr?votedisk?ASM diskgroup??11gR2 RAC cluster?????????,????«?11gR2 RAC???ASM DISK Path????»??????,??????CRS??????11.2??ASM???????, ????????????”crsctl start crs -excl -nocrs “; ?????????,??ASM????ocr?????votedisk?????,??11.2????ocr?votedisk???ASM?,?ASM???????ocr?votedisk,?????ocr?votedisk????????cluter??????;???????????CRS????,?????diskgroup??????????,?????????????????? ??:?????????????????ASM LUN DISK,???OCR?????,????????4??????????,???????$GI_HOME,?????????;????votedisk?? ????: ??dd????ocr?votedisk??diskgroup header,??diskgroup corruption: 1. ??votedisk? ocr?? [root@vrh1 ~]# crsctl query css votedisk ## STATE File Universal Id File Name Disk group -- ----- ----------------- --------- --------- 1. ONLINE a853d6204bbc4feabfd8c73d4c3b3001 (/dev/asm-diskh) [SYSTEMDG] 2. ONLINE a5b37704c3574f0fbf21d1d9f58c4a6b (/dev/asm-diskg) [SYSTEMDG] 3. ONLINE 36e5c51ff0294fc3bf2a042266650331 (/dev/asm-diski) [SYSTEMDG] 4. ONLINE af337d1512824fe4bf6ad45283517aaa (/dev/asm-diskj) [SYSTEMDG] 5. ONLINE 3c4a349e2e304ff6bf64b2b1c9d9cf5d (/dev/asm-diskk) [SYSTEMDG] Located 5 voting disk(s). su - grid [grid@vrh1 ~]$ ocrconfig -showbackup PROT-26: Oracle Cluster Registry backup locations were retrieved from a local copy vrh1 2012/08/09 01:59:56 /g01/11.2.0/maclean/grid/cdata/vrh-cluster/backup00.ocr vrh1 2012/08/08 21:59:56 /g01/11.2.0/maclean/grid/cdata/vrh-cluster/backup01.ocr vrh1 2012/08/08 17:59:55 /g01/11.2.0/maclean/grid/cdata/vrh-cluster/backup02.ocr vrh1 2012/08/08 05:59:54 /g01/11.2.0/grid/cdata/vrh-cluster/day.ocr vrh1 2012/08/08 05:59:54 /g01/11.2.0/grid/cdata/vrh-cluster/week.ocr PROT-25: Manual backups for the Oracle Cluster Registry are not available 2. ??????????clusterware ,OHASD crsctl stop has -f 3. GetAsmDH.sh ==> GetAsmDH.sh?ASM disk header????? ????????,????????asm header [grid@vrh1 ~]$ ./GetAsmDH.sh ############################################ 1) Collecting Information About the Disks: ############################################ SQL*Plus: Release 11.2.0.3.0 Production on Thu Aug 9 03:28:13 2012 Copyright (c) 1982, 2011, Oracle. All rights reserved. SQL> Connected. SQL> SQL> SQL> SQL> SQL> SQL> SQL> 1 0 /dev/asm-diske 1 1 /dev/asm-diskd 2 0 /dev/asm-diskb 2 1 /dev/asm-diskc 2 2 /dev/asm-diskf 3 0 /dev/asm-diskh 3 1 /dev/asm-diskg 3 2 /dev/asm-diski 3 3 /dev/asm-diskj 3 4 /dev/asm-diskk SQL> SQL> Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Real Application Clusters and Automatic Storage Management options -rw-r--r-- 1 grid oinstall 1048 Aug 9 03:28 /tmp/HC/asmdisks.lst ############################################ 2) Generating asm_diskh.sh script. ############################################ -rwx------ 1 grid oinstall 666 Aug 9 03:28 /tmp/HC/asm_diskh.sh ############################################ 3) Executing asm_diskh.sh script to generate dd dumps. ############################################ -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_1_0.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_1_1.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_2_0.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_2_1.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_2_2.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_3_0.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_3_1.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_3_2.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_3_3.dd -rw-r--r-- 1 grid oinstall 1048576 Aug 9 03:28 /tmp/HC/dsk_3_4.dd ############################################ 4) Compressing dd dumps in the next format: (asm_dd_header_all_.tar) ############################################ /tmp/HC/dsk_1_0.dd /tmp/HC/dsk_1_1.dd /tmp/HC/dsk_2_0.dd /tmp/HC/dsk_2_1.dd /tmp/HC/dsk_2_2.dd /tmp/HC/dsk_3_0.dd /tmp/HC/dsk_3_1.dd /tmp/HC/dsk_3_2.dd /tmp/HC/dsk_3_3.dd /tmp/HC/dsk_3_4.dd ./GetAsmDH.sh: line 81: compress: command not found ls: /tmp/HC/*.Z: No such file or directory [grid@vrh1 ~]$ 4. ??dd ?? ??ocr?votedisk??diskgroup [root@vrh1 ~]# dd if=/dev/zero of=/dev/asm-diskh bs=1024k count=1 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.00423853 seconds, 247 MB/s [root@vrh1 ~]# dd if=/dev/zero of=/dev/asm-diskg bs=1024k count=1 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.0045179 seconds, 232 MB/s [root@vrh1 ~]# dd if=/dev/zero of=/dev/asm-diski bs=1024k count=1 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.00469976 seconds, 223 MB/s [root@vrh1 ~]# dd if=/dev/zero of=/dev/asm-diskj bs=1024k count=1 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.00344262 seconds, 305 MB/s [root@vrh1 ~]# dd if=/dev/zero of=/dev/asm-diskk bs=1024k count=1 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.0053518 seconds, 196 MB/s 5. ????????????HAS [root@vrh1 ~]# crsctl start has CRS-4123: Oracle High Availability Services has been started. ????ocr?votedisk??diskgroup??,??CSS???????,???????: alertvrh1.log [cssd(5162)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /g01/11.2.0/grid/log/vrh1/cssd/ocssd.log 2012-08-09 03:35:41.207 [cssd(5162)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /g01/11.2.0/grid/log/vrh1/cssd/ocssd.log 2012-08-09 03:35:56.240 [cssd(5162)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /g01/11.2.0/grid/log/vrh1/cssd/ocssd.log 2012-08-09 03:36:11.284 [cssd(5162)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /g01/11.2.0/grid/log/vrh1/cssd/ocssd.log 2012-08-09 03:36:26.305 [cssd(5162)]CRS-1714:Unable to discover any voting files, retrying discovery in 15 seconds; Details at (:CSSNM00070:) in /g01/11.2.0/grid/log/vrh1/cssd/ocssd.log 2012-08-09 03:36:41.328 ocssd.log 2012-08-09 03:40:26.662: [ CSSD][1078700352]clssnmReadDiscoveryProfile: voting file discovery string(/dev/asm*) 2012-08-09 03:40:26.662: [ CSSD][1078700352]clssnmvDDiscThread: using discovery string /dev/asm* for initial discovery 2012-08-09 03:40:26.662: [ SKGFD][1078700352]Discovery with str:/dev/asm*: 2012-08-09 03:40:26.662: [ SKGFD][1078700352]UFS discovery with :/dev/asm*: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskf: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskb: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskj: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskh: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskc: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskd: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diske: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskg: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diski: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Fetching UFS disk :/dev/asm-diskk: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]OSS discovery with :/dev/asm*: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Handle 0xdf22a0 from lib :UFS:: for disk :/dev/asm-diskf: 2012-08-09 03:40:26.665: [ SKGFD][1078700352]Handle 0xf412a0 from lib :UFS:: for disk :/dev/asm-diskb: 2012-08-09 03:40:26.666: [ SKGFD][1078700352]Handle 0xf3a680 from lib :UFS:: for disk :/dev/asm-diskj: 2012-08-09 03:40:26.666: [ SKGFD][1078700352]Handle 0xf93da0 from lib :UFS:: for disk :/dev/asm-diskh: 2012-08-09 03:40:26.667: [ CSSD][1078700352]clssnmvDiskVerify: Successful discovery of 0 disks 2012-08-09 03:40:26.667: [ CSSD][1078700352]clssnmCompleteInitVFDiscovery: Completing initial voting file discovery 2012-08-09 03:40:26.667: [ CSSD][1078700352]clssnmvFindInitialConfigs: No voting files found 2012-08-09 03:40:26.667: [ CSSD][1078700352](:CSSNM00070:)clssnmCompleteInitVFDiscovery: Voting file not found. Retrying discovery in 15 seconds ?????ocr?votedisk??diskgroup?????: 1. ?-excl -nocrs ????cluster,??????ASM?? ????CRS [root@vrh1 vrh1]# crsctl start crs -excl -nocrs CRS-4123: Oracle High Availability Services has been started. CRS-2672: Attempting to start 'ora.mdnsd' on 'vrh1' CRS-2676: Start of 'ora.mdnsd' on 'vrh1' succeeded CRS-2672: Attempting to start 'ora.gpnpd' on 'vrh1' CRS-2676: Start of 'ora.gpnpd' on 'vrh1' succeeded CRS-2672: Attempting to start 'ora.cssdmonitor' on 'vrh1' CRS-2672: Attempting to start 'ora.gipcd' on 'vrh1' CRS-2676: Start of 'ora.cssdmonitor' on 'vrh1' succeeded CRS-2676: Start of 'ora.gipcd' on 'vrh1' succeeded CRS-2672: Attempting to start 'ora.cssd' on 'vrh1' CRS-2672: Attempting to start 'ora.diskmon' on 'vrh1' CRS-2676: Start of 'ora.diskmon' on 'vrh1' succeeded CRS-2676: Start of 'ora.cssd' on 'vrh1' succeeded CRS-2679: Attempting to clean 'ora.cluster_interconnect.haip' on 'vrh1' CRS-2672: Attempting to start 'ora.ctssd' on 'vrh1' CRS-2681: Clean of 'ora.cluster_interconnect.haip' on 'vrh1' succeeded CRS-2672: Attempting to start 'ora.cluster_interconnect.haip' on 'vrh1' CRS-2676: Start of 'ora.ctssd' on 'vrh1' succeeded CRS-2676: Start of 'ora.cluster_interconnect.haip' on 'vrh1' succeeded CRS-2672: Attempting to start 'ora.asm' on 'vrh1' CRS-2676: Start of 'ora.asm' on 'vrh1' succeeded 2.???ocr?votedisk??diskgroup,??compatible.asm???11.2: [root@vrh1 vrh1]# su - grid [grid@vrh1 ~]$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.3.0 Production on Thu Aug 9 04:16:58 2012 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production With the Real Application Clusters and Automatic Storage Management options SQL> create diskgroup systemdg high redundancy disk '/dev/asm-diskh','/dev/asm-diskg','/dev/asm-diski','/dev/asm-diskj','/dev/asm-diskk' ATTRIBUTE 'compatible.rdbms' = '11.2', 'compatible.asm' = '11.2'; 3.?ocr backup???ocr??ocrcheck??: [root@vrh1 ~]# ocrconfig -restore /g01/11.2.0/grid/cdata/vrh-cluster/backup00.ocr [root@vrh1 ~]# ocrcheck Status of Oracle Cluster Registry is as follows : Version : 3 Total space (kbytes) : 262120 Used space (kbytes) : 3180 Available space (kbytes) : 258940 ID : 1238458014 Device/File Name : +systemdg Device/File integrity check succeeded Device/File not configured Device/File not configured Device/File not configured Device/File not configured Cluster registry integrity check succeeded Logical corruption check succeeded 4. ????votedisk ,??????????: [grid@vrh1 ~]$ crsctl replace votedisk +SYSTEMDG CRS-4602: Failed 27 to add voting file 2e4e0fe285924f86bf5473d00dcc0388. CRS-4602: Failed 27 to add voting file 4fa54bb0cc5c4fafbf1a9be5479bf389. CRS-4602: Failed 27 to add voting file a109ead9ea4e4f28bfe233188623616a. CRS-4602: Failed 27 to add voting file 042c9fbd71b54f5abfcd3ab3408f3cf3. CRS-4602: Failed 27 to add voting file 7b5a8cd24f954fafbf835ad78615763f. Failed to replace voting disk group with +SYSTEMDG. CRS-4000: Command Replace failed, or completed with errors. ????????ASM???,???ASM: SQL> alter system set asm_diskstring='/dev/asm*'; System altered. SQL> create spfile from memory; File created. SQL> startup force mount; ORA-32004: obsolete or deprecated parameter(s) specified for ASM instance ASM instance started Total System Global Area 283930624 bytes Fixed Size 2227664 bytes Variable Size 256537136 bytes ASM Cache 25165824 bytes ASM diskgroups mounted SQL> show parameter spfile NAME TYPE VALUE ------------------------------------ ----------- ------------------------------ spfile string /g01/11.2.0/grid/dbs/spfile+AS M1.ora [grid@vrh1 trace]$ crsctl replace votedisk +SYSTEMDG CRS-4256: Updating the profile Successful addition of voting disk 85edc0e82d274f78bfc58cdc73b8c68a. Successful addition of voting disk 201ffffc8ba44faabfe2efec2aa75840. Successful addition of voting disk 6f2a25c589964faabf6980f7c5f621ce. Successful addition of voting disk 93eb315648454f25bf3717df1a2c73d5. Successful addition of voting disk 3737240678964f88bfbfbd31d8b3829f. Successfully replaced voting disk group with +SYSTEMDG. CRS-4256: Updating the profile CRS-4266: Voting file(s) successfully replaced 5. ??has??,??cluster????: [root@vrh1 ~]# crsctl check crs CRS-4638: Oracle High Availability Services is online CRS-4537: Cluster Ready Services is online CRS-4529: Cluster Synchronization Services is online CRS-4533: Event Manager is online [root@vrh1 ~]# crsctl query css votedisk ## STATE File Universal Id File Name Disk group -- ----- ----------------- --------- --------- 1. ONLINE 85edc0e82d274f78bfc58cdc73b8c68a (/dev/asm-diskh) [SYSTEMDG] 2. ONLINE 201ffffc8ba44faabfe2efec2aa75840 (/dev/asm-diskg) [SYSTEMDG] 3. ONLINE 6f2a25c589964faabf6980f7c5f621ce (/dev/asm-diski) [SYSTEMDG] 4. ONLINE 93eb315648454f25bf3717df1a2c73d5 (/dev/asm-diskj) [SYSTEMDG] 5. ONLINE 3737240678964f88bfbfbd31d8b3829f (/dev/asm-diskk) [SYSTEMDG] Located 5 voting disk(s). [root@vrh1 ~]# crsctl stat res -t -------------------------------------------------------------------------------- NAME TARGET STATE SERVER STATE_DETAILS -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.BACKUPDG.dg ONLINE ONLINE vrh1 ora.DATA.dg ONLINE ONLINE vrh1 ora.LISTENER.lsnr ONLINE ONLINE vrh1 ora.LSN_MACLEAN.lsnr ONLINE ONLINE vrh1 ora.SYSTEMDG.dg ONLINE ONLINE vrh1 ora.asm ONLINE ONLINE vrh1 Started ora.gsd OFFLINE OFFLINE vrh1 ora.net1.network ONLINE ONLINE vrh1 ora.ons ONLINE ONLINE vrh1 -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.LISTENER_SCAN1.lsnr http://www.askmaclean.com 1 ONLINE ONLINE vrh1 ora.cvu 1 OFFLINE OFFLINE ora.oc4j 1 OFFLINE OFFLINE ora.scan1.vip 1 ONLINE ONLINE vrh1 ora.vprod.db 1 ONLINE OFFLINE 2 ONLINE OFFLINE ora.vrh1.vip 1 ONLINE ONLINE vrh1 ora.vrh2.vip 1 ONLINE INTERMEDIATE vrh1 FAILED OVER

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