short way to perform efsck when we have huge number of disksHow can I avoid “Run fsck manually” messages while allowing experimenting with system time changes?Linux Mint: drives' map changing at reboot brings fstab errorError mounting drivesWhat's the difference between e2fsck and fsck and which one I should use?I can see my LVM but I can't initialize it. Missing UUID of one of the disksHow to map a sata device name to a physical sata interface for RAID systems/etc/fstab and parallel filesystem check (fsck)Script to create filesystemin which cases it will be problematic to configure UUID in fstabReboot with faulty drive, devices names change, server does not boot
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short way to perform efsck when we have huge number of disks
How can I avoid “Run fsck manually” messages while allowing experimenting with system time changes?Linux Mint: drives' map changing at reboot brings fstab errorError mounting drivesWhat's the difference between e2fsck and fsck and which one I should use?I can see my LVM but I can't initialize it. Missing UUID of one of the disksHow to map a sata device name to a physical sata interface for RAID systems/etc/fstab and parallel filesystem check (fsck)Script to create filesystemin which cases it will be problematic to configure UUID in fstabReboot with faulty drive, devices names change, server does not boot
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
we need to do e2fsck on all our disks ( redhat linux - 7.2 ). Since on each machines we have 22 disks ( ext4 file-system ) it will take time to do it on each disk as all know when doing e2fsck need to umount the mount point folder and then use the e2fsck on the disk. Example:
umount /grid/sdb
fsck /dev/sdb
mount /grid/sdb
But, I found option that can be much faster. We can use the fstab for this purpose and to change the sixth field from 0 to 1 and then reboot the machine
From my understanding during boot all disk will perform 2fsck automatically. Am I right here? /etc/fstab Example:
From
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 0
To
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 1 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 1 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 1 0
From the fstab(5) man page:
The sixth field (fs_passno).
This field is used by the fsck(8) program to determine the order
in which filesystem checks are done at reboot time. The root
filesystem should be specified with a fs_passno of 1, and other
filesystems should have a fs_passno of 2. Filesystems within a
drive will be checked sequentially, but filesystems on different
drives will be checked at the same time to utilize parallelism
available in the hardware. If the sixth field is not present or
zero, a value of zero is returned and fsck will assume that the
filesystem does not need to be checked.
linux filesystems rhel fstab fsck
edited Mar 27 at 17:55
nwildner
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
add a comment |
we need to do e2fsck on all our disks ( redhat linux - 7.2 ). Since on each machines we have 22 disks ( ext4 file-system ) it will take time to do it on each disk as all know when doing e2fsck need to umount the mount point folder and then use the e2fsck on the disk. Example:
umount /grid/sdb
fsck /dev/sdb
mount /grid/sdb
But, I found option that can be much faster. We can use the fstab for this purpose and to change the sixth field from 0 to 1 and then reboot the machine
From my understanding during boot all disk will perform 2fsck automatically. Am I right here? /etc/fstab Example:
From
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 0
To
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 1 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 1 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 1 0
From the fstab(5) man page:
The sixth field (fs_passno).
This field is used by the fsck(8) program to determine the order
in which filesystem checks are done at reboot time. The root
filesystem should be specified with a fs_passno of 1, and other
filesystems should have a fs_passno of 2. Filesystems within a
drive will be checked sequentially, but filesystems on different
drives will be checked at the same time to utilize parallelism
available in the hardware. If the sixth field is not present or
zero, a value of zero is returned and fsck will assume that the
filesystem does not need to be checked.
linux filesystems rhel fstab fsck
edited Mar 27 at 17:55
nwildner
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
add a comment |
we need to do e2fsck on all our disks ( redhat linux - 7.2 ). Since on each machines we have 22 disks ( ext4 file-system ) it will take time to do it on each disk as all know when doing e2fsck need to umount the mount point folder and then use the e2fsck on the disk. Example:
umount /grid/sdb
fsck /dev/sdb
mount /grid/sdb
But, I found option that can be much faster. We can use the fstab for this purpose and to change the sixth field from 0 to 1 and then reboot the machine
From my understanding during boot all disk will perform 2fsck automatically. Am I right here? /etc/fstab Example:
From
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 0
To
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 1 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 1 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 1 0
From the fstab(5) man page:
The sixth field (fs_passno).
This field is used by the fsck(8) program to determine the order
in which filesystem checks are done at reboot time. The root
filesystem should be specified with a fs_passno of 1, and other
filesystems should have a fs_passno of 2. Filesystems within a
drive will be checked sequentially, but filesystems on different
drives will be checked at the same time to utilize parallelism
available in the hardware. If the sixth field is not present or
zero, a value of zero is returned and fsck will assume that the
filesystem does not need to be checked.
linux filesystems rhel fstab fsck
edited Mar 27 at 17:55
nwildner
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
we need to do e2fsck on all our disks ( redhat linux - 7.2 ). Since on each machines we have 22 disks ( ext4 file-system ) it will take time to do it on each disk as all know when doing e2fsck need to umount the mount point folder and then use the e2fsck on the disk. Example:
umount /grid/sdb
fsck /dev/sdb
mount /grid/sdb
But, I found option that can be much faster. We can use the fstab for this purpose and to change the sixth field from 0 to 1 and then reboot the machine
From my understanding during boot all disk will perform 2fsck automatically. Am I right here? /etc/fstab Example:
From
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 0
To
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 1 0
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 1 0
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 1 0
From the fstab(5) man page:
The sixth field (fs_passno).
This field is used by the fsck(8) program to determine the order
in which filesystem checks are done at reboot time. The root
filesystem should be specified with a fs_passno of 1, and other
filesystems should have a fs_passno of 2. Filesystems within a
drive will be checked sequentially, but filesystems on different
drives will be checked at the same time to utilize parallelism
available in the hardware. If the sixth field is not present or
zero, a value of zero is returned and fsck will assume that the
filesystem does not need to be checked.
linux filesystems rhel fstab fsck
linux filesystems rhel fstab fsck
edited Mar 27 at 17:55
nwildner
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
edited Mar 27 at 17:55
nwildner
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
edited Mar 27 at 17:55
nwildner
15k34581
edited Mar 27 at 17:55
nwildner
15k34581
edited Mar 27 at 17:55
nwildner
15k34581
15k34581
asked Mar 27 at 17:06
yaelyael
2,81242979
asked Mar 27 at 17:06
yaelyael
2,81242979
asked Mar 27 at 17:06
yaelyael
2,81242979
2,81242979
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
That’s nearly right; you should use a pass number of 2 (since these aren’t the root file system), and it really has to be the sixth field, so
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 2
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 2
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 2
|<-------------- field 1 -------------->| |<- 2 ->| |<>| |<- field 4 -->| ^ ^
^ | |
field 3 -+ field 5 -+ |
field 6 -+
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,fsckwill only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.
– Stephen Kitt
Mar 27 at 17:30
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
That’s nearly right; you should use a pass number of 2 (since these aren’t the root file system), and it really has to be the sixth field, so
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 2
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 2
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 2
|<-------------- field 1 -------------->| |<- 2 ->| |<>| |<- field 4 -->| ^ ^
^ | |
field 3 -+ field 5 -+ |
field 6 -+
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,fsckwill only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.
– Stephen Kitt
Mar 27 at 17:30
add a comment |
That’s nearly right; you should use a pass number of 2 (since these aren’t the root file system), and it really has to be the sixth field, so
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 2
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 2
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 2
|<-------------- field 1 -------------->| |<- 2 ->| |<>| |<- field 4 -->| ^ ^
^ | |
field 3 -+ field 5 -+ |
field 6 -+
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,fsckwill only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.
– Stephen Kitt
Mar 27 at 17:30
add a comment |
That’s nearly right; you should use a pass number of 2 (since these aren’t the root file system), and it really has to be the sixth field, so
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 2
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 2
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 2
|<-------------- field 1 -------------->| |<- 2 ->| |<>| |<- field 4 -->| ^ ^
^ | |
field 3 -+ field 5 -+ |
field 6 -+
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
That’s nearly right; you should use a pass number of 2 (since these aren’t the root file system), and it really has to be the sixth field, so
UUID=6f8debb3-aac9-4dfb-877f-463f5132d055 /grid/sdb ext4 defaults,noatime 0 2
UUID=203c24b2-8c07-4a9a-b4e0-1848ac5570d6 /grid/sdc ext4 defaults,noatime 0 2
UUID=941546ac-2168-4130-b51f-f5a255a4e43c /grid/sdd ext4 defaults,noatime 0 2
|<-------------- field 1 -------------->| |<- 2 ->| |<>| |<- field 4 -->| ^ ^
^ | |
field 3 -+ field 5 -+ |
field 6 -+
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
edited Mar 27 at 17:23
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
answered Mar 27 at 17:13
Stephen KittStephen Kitt
180k25409488
180k25409488
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,fsckwill only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.
– Stephen Kitt
Mar 27 at 17:30
add a comment |
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,fsckwill only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.
– Stephen Kitt
Mar 27 at 17:30
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
I guess the machine it take time until boot is completed ?
– yael
Mar 27 at 17:28
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,
fsck will only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.– Stephen Kitt
Mar 27 at 17:30
Yes, checking the disks might lengthen the boot, but in most cases it won’t — if the file system is clean,
fsck will only force a check at fairly lengthy intervals by default. Checks are parallelised across disks too, which will help in your case.– Stephen Kitt
Mar 27 at 17:30
add a comment |
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-filesystems, fsck, fstab, linux, rhel
