Messages in this thread | | | Date | Wed, 01 Feb 2006 14:52:25 +0300 | From | Edward Shishkin <> | Subject | Re: Recursive chmod/chown OOM kills box with 32MB RAM |
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Denis Vlasenko wrote:
>On Wednesday 01 February 2006 09:42, Denis Vlasenko wrote: > > >>On Monday 30 January 2006 15:22, Chris Mason wrote: >> >> >>>You can shrink the log of an existing filesystem. The minimum size is 513 >>>blocks, you might try 1024 as a good starting poing. >>> >>>reiserfstune -s 1024 /dev/xxxx >>> >>>The filesystem must be unmounted first. >>> >>> >>It doesn't want to, for no obvious reason: >> >># mount >>rootfs on / type rootfs (rw) >>/dev/root on / type ext2 (ro,nogrpid) >>none on /proc type proc (rw,nodiratime) >>none on /sys type sysfs (rw) >>none on /dev type ramfs (rw) >>/dev/sda2 on /.share type ext2 (rw,noatime,nogrpid) >>/dev/sdb2 on /.1 type reiserfs (rw,noatime) >>/dev/sdc2 on /.2 type reiserfs (rw,noatime) >>/dev/sdc3 on /.3 type reiserfs (rw,noatime) >>/dev/sda2 on /.local type ext2 (rw,noatime,nogrpid) >>none on /dev/pts type devpts (rw) >>automount(pid1043) on /.local/mnt/auto type autofs (rw) >># umount /.3 >>umount: /.3: device is busy >># mount -o ro,remount /.3 >># umount /.3 >>umount: /.3: device is busy >># reiserfstune /dev/sdc3 >>reiserfstune: Reiserfstune is not allowed to be run on mounted filesystem. >># lsof -nP | grep -F '/.3' >># lsof -nP | grep -F '/dev/sdc' >> >> > >Removed it from /etc/fstab, after reboot: > ># reiserfstune -s 1024 /dev/sdc3 >reiserfstune: Journal device has not been specified. Assuming journal is on the main device (/dev/sdc3). > >Current parameters: > >Filesystem state: consistent > >Reiserfs super block in block 16 on 0x823 of format 3.6 with standard journal >Count of blocks on the device: 2094474 >Number of bitmaps: 64 >Blocksize: 4096 >Free blocks (count of blocks - used [journal, bitmaps, data, reserved] blocks): 1019710 >Root block: 32941 >Filesystem is cleanly umounted >Tree height: 4 >Hash function used to sort names: "r5" >Objectid map size 54, max 972 >Journal parameters: > Device [0x0] > Magic [0x2cac04df] > Size 8193 blocks (including 1 for journal header) (first block 18) > Max transaction length 1024 blocks > Max batch size 900 blocks > Max commit age 30 >Blocks reserved by journal: 0 >Fs state field: 0x0: >sb_version: 2 >inode generation number: 293892 >UUID: 7b3aa1ab-40bd-44da-98dc-b37b21f7add0 >LABEL: >Set flags in SB: > ATTRIBUTES CLEAN >reiserfstune: Current journal parameters: > Device [0x0] > Magic [0x2cac04df] > Size 8193 blocks (including 1 for journal header) (first block 18) > Max transaction length 1024 blocks > Max batch size 900 blocks > Max commit age 30 >WARNING: wrong transaction max size (1024). Changed to 511 >reiserfstune: New journal parameters: > Device [0x0] > Magic [0x70dbc903] > Size 1024 blocks (including 1 for journal header) (first block 18) > Max transaction length 511 blocks > Max batch size 449 blocks > Max commit age 30 >Reiserfs super block in block 16 on 0x823 of format 3.6 with non-standard journal >Count of blocks on the device: 2094474 >Number of bitmaps: 64 >Blocksize: 4096 >Free blocks (count of blocks - used [journal, bitmaps, data, reserved] blocks): 1019710 >Root block: 32941 >Filesystem is cleanly umounted >Tree height: 4 >Hash function used to sort names: "r5" >Objectid map size 54, max 972 >Journal parameters: > Device [0x0] > Magic [0x70dbc903] > Size 1024 blocks (including 1 for journal header) (first block 18) > Max transaction length 511 blocks > Max batch size 449 blocks > Max commit age 30 >Blocks reserved by journal: 8193 >Fs state field: 0x0: >sb_version: 2 >inode generation number: 293892 >UUID: 7b3aa1ab-40bd-44da-98dc-b37b21f7add0 >LABEL: >Set flags in SB: > ATTRIBUTES CLEAN >reiserfstune: ATTENTION: YOU ARE ABOUT TO SETUP THE NEW JOURNAL FOR THE "/dev/sdc3"! >AREA OF "/dev/sdc3" DEDICATED FOR JOURNAL WILL BE ZEROED! >Continue (y/n):y >Initializing journal - 0%....20%....40%....60%....80%....100% >Syncing..ok > ># mount /dev/sdc3 /.3 -o noatime >mount: you must specify the filesystem type > ># dmesg | tail -4 >br: topology change detected, propagating >br: port 1(ifi) entering forwarding state >FAT: bogus number of reserved sectors >VFS: Can't find a valid FAT filesystem on dev sdc3. > ># reiserfsck /dev/sdc3 >reiserfsck 3.6.11 (2003 www.namesys.com) > >************************************************************* >** If you are using the latest reiserfsprogs and it fails ** >** please email bug reports to reiserfs-list@namesys.com, ** >** providing as much information as possible -- your ** >** hardware, kernel, patches, settings, all reiserfsck ** >** messages (including version), the reiserfsck logfile, ** >** check the syslog file for any related information. ** >** If you would like advice on using this program, support ** >** is available for $25 at www.namesys.com/support.html. ** >************************************************************* > >Will read-only check consistency of the filesystem on /dev/sdc3 >Will put log info to 'stdout' > >Do you want to run this program?[N/Yes] (note need to type Yes if you do):Yes >Failed to open the journal device ((null)). > > Wow... 8( >-- >vda > >
would you try reiserfsck -j /dev/sdc3 /dev/sdc3
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