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Old 08-01-2005, 01:35 PM   #1
ddaas
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Registered: Oct 2004
Location: Romania
Distribution: Ubuntu server, FreeBsd
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e2fsck - Block bitmap differences - LVM1


Hi,
I have a problem with lvm1 on rhel3.
I wanted to add another scsi disk.
So I did:


1)I've formatted it with fdisk, I've set two 30G partitions /dev/sdc1 and /dev/sdc2 and set their type as 8e(lvm)
2)umount /home (the mount point for /dev/vg00/lvhome)
3)pvcreate /dev/sdc1
4)vgextent vg00 /dev/sdc1
5)lvextent -L +30G /dev/vg00/lvhome
6)I was forced to check the logical volume so I did: e2fsck -f /dev/vg00/lvhome
I got no errors, everything ok
7)resize2fs -p /dev/vg00/lvhome
Everything was ok, I could mount the /home under /dev/vg00/lvhome, access my data
8)Now I wanted to do the same for the second partition /dev/sdc2
9) so I did: pvcreate /dev/sdc2, vgextent vg00 /dev/sdc2, lvextent -L +30G /dev/vg00/lvhome
10)Now I wanted to check the filesystem for errors, so I did e2fsck -f /dev/vg00/lvhome
Here is the problem: I get an error about which I know nothing. I cound't find anything relevant on google. So the log from e2fsck is:
Pass 1: Checking inodes, blocks, and sizes
Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information
Block bitmap differences: -(65537--65544) -(131073--131080) -(196609--196616) -(262145--262152) -(327681--327688) -(360449--360456) -(393217--393224) -(425985--425992) -(458753--458760) -(491521--491528) -(524289--524296) -(557057--557064) -(589825--589832) -(622593--622600) -(655361--655368) -(688129--688136) -(720897--720904) -(753665--753672) -(786433--786440) -(851969--851976) -(917505--917512) -(950273--950280) -(983041--983048) -(1015809--1015816) -(1048577--1048584) -(1081345--1081352) -(1114113--1114120) -(1146881--1146888) -(1179649--1179656) -(1212417--1212424) -(1245185--1245192) -(1277953--1277960) -(1310721--1310728) -(1343489--1343496) -(1376257--1376264) -(1409025--1409032) -(1441793--1441800) -(1474561--1474568) -(1507329--1507336) -(1540097--1540104) -(1572865--1572872) -(1638401--1638408) -(1671169--1671176) -(1703937--1703944) -(1736705--1736712) -(1769473--1769480) -(1802241--1802248) -(1835009--1835016) -(1867777--1867784) -(1900545--1900552) -(1933313--1933320) -(1966081--1966088) -(1998849--1998856) -(2031617--2031624) -(2064385--2064392) -(2097153--2097160) -(2129921--2129928) -(2162689--2162696) -(2195457--2195464) -(2228225--2228232) -(2260993--2261000) -(2293761--2293768) -(2326529--2326536) -(2359297--2359304) -(2392065--2392072) -(2424833--2424840) -(2457601--2457608) -(2490369--2490376) -(2523137--2523144) -(2555905--2555912) -(2588673--2588680) -(2621441--2621448) -(2686977--2686984) -:
...............................and so on................................................
Fix? no


/dev/vg00/lvhome: ********** WARNING: Filesystem still has errors **********


363317 inodes used (2%)
27279 non-contiguous inodes (7.5%)
# of inodes with ind/dind/tind blocks: 57802/2906/0
20000925 blocks used (63%)
0 bad blocks
0 large files

317204 regular files
46039 directories
0 character device files
0 block device files
0 fifos
7 links
65 symbolic links (65 fast symbolic links)
0 sockets
--------
363315 files

I didn't want e3fsck to repair the filesystem because I didn't want a fatal error or something.
The didn't extend the filesystem(resize2fs -p /dev/cg00/lvhome). Here is the point where I 've restarted the server, mount the /home without extend the filesystem.

I want to find what is all about first. So , any idea?

Thanks,
ddaas
 
Old 08-03-2005, 04:28 AM   #2
ddaas
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Registered: Oct 2004
Location: Romania
Distribution: Ubuntu server, FreeBsd
Posts: 452

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No one knows what are these "block bitmap differences"?
Is it safe to let e3fsck to repair them?
Can I extend the filesystem (resize2fs) without repairing these errors?


Please, need some help.

Thanks
 
  


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