Добрый день.
Столкнулся со следующей проблемой.
# fstrim -v /
fstrim: /: the discard operation is not supported
При проведении операции например на /boot - та жа песня.
Настройки следующие:
# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10]
md1 : active raid5 sda2[0] sdc2[2] sdb2[1]
933533696 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]
bitmap: 1/4 pages [4KB], 65536KB chunk
md0 : active raid5 sdc1[5] sda1[3] sdb1[4]
3901440 blocks super 1.2 level 5, 512k chunk, algorithm 2 [3/3] [UUU]
unused devices: <none>
# cat /etc/fstab
# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a
# device; this may be used with UUID= as a more robust way to name devices
# that works even if disks are added and removed. See fstab(5).
#
# <file system> <mount point> <type> <options> <dump> <pass>
/dev/mapper/raid_md1-root_dir / ext4 discard,errors=remount-ro 0 1
# /boot was on /dev/md0 during installation
UUID=a399b505-ab26-4a6b-863c-ca2032007be3 /boot ext4 discard 0 2
/dev/mapper/mountdisk-mountdisk /mountdisk ext4 defaults 0 2
/dev/mapper/raid_md1-tmp /tmp ext4 discard 0 2
/dev/mapper/raid_md1-var /var ext4 discard 0 2
/dev/mapper/raid_md1-archive /var/cache/apt/archives ext4 discard 0 2
/dev/mapper/raid_md1-log /var/log ext4 discard 0 2
/dev/mapper/raid_md1-swap none swap sw 0 0
# hdparm -I /dev/sda | grep "TRIM"
* Data Set Management TRIM supported (limit 8 blocks)
* Deterministic read ZEROs after TRIM
# hdparm -I /dev/sdb | grep "TRIM"
* Data Set Management TRIM supported (limit 8 blocks)
* Deterministic read ZEROs after TRIM
# hdparm -I /dev/sdc | grep "TRIM"
* Data Set Management TRIM supported (limit 8 blocks)
* Deterministic read ZEROs after TRIM
# lsblk -D
NAME DISC-ALN DISC-GRAN DISC-MAX DISC-ZERO
sda 0 4K 2G 0
├─sda1 0 4K 2G 0
│ └─md0 0 1M 256M 0
└─sda2 0 4K 2G 0
└─md1 0 1M 256M 0
├─raid_md1-swap 0 1M 256M 0
├─raid_md1-tmp 0 1M 256M 0
├─raid_md1-var 0 1M 256M 0
├─raid_md1-archive 0 1M 256M 0
├─raid_md1-log 0 1M 256M 0
└─raid_md1-root_dir 0 1M 256M 0
sdb 0 4K 2G 0
├─sdb1 0 4K 2G 0
│ └─md0 0 1M 256M 0
└─sdb2 0 4K 2G 0
└─md1 0 1M 256M 0
├─raid_md1-swap 0 1M 256M 0
├─raid_md1-tmp 0 1M 256M 0
├─raid_md1-var 0 1M 256M 0
├─raid_md1-archive 0 1M 256M 0
├─raid_md1-log 0 1M 256M 0
└─raid_md1-root_dir 0 1M 256M 0
sdc 0 4K 2G 0
├─sdc1 0 4K 2G 0
│ └─md0 0 1M 256M 0
└─sdc2 0 4K 2G 0
└─md1 0 1M 256M 0
├─raid_md1-swap 0 1M 256M 0
├─raid_md1-tmp 0 1M 256M 0
├─raid_md1-var 0 1M 256M 0
├─raid_md1-archive 0 1M 256M 0
├─raid_md1-log 0 1M 256M 0
└─raid_md1-root_dir 0 1M 256M 0
sdd 0 0B 0B 0
└─sdd1 0 0B 0B 0
└─mountdisk-mountdisk 0 0B 0B 0
sde 0 0B 0B 0
└─sde1 0 0B 0B 0
Как заставить TRIM работать?
