SZervusztok!
Van egy Debian Lenny RC-2 szerverem, amiben van 4 db hdd 3 RAID-1 tömbbe pakolva:
$ cat /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sdc1[0] sdd1[1]
732563904 blocks [2/2] [UU]
md1 : active raid1 sda3[0] sdb3[1]
211624128 blocks [2/2] [UU]
md0 : active raid1 sda2[2](F) sdb2[1]
16771776 blocks [2/1] [_U]
unused devices: <none>
Ezt a logot láttam a dmesg hatására:
[456256.161326] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x4010000 action 0xe frozen
[456256.161326] ata1.00: irq_stat 0x00400040, connection status changed
[456256.161326] ata1: SError: { PHYRdyChg DevExch }
[456256.161326] ata1.00: cmd ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0
[456256.161326] res 40/00:94:00:63:05/00:00:0e:00:00/40 Emask 0x10 (ATA bus error)
[456256.161326] ata1.00: status: { DRDY }
[456256.161326] ata1: hard resetting link
[456261.788960] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[456261.814821] ata1.00: configured for UDMA/133
[456261.814821] ata1: EH complete
[456261.814821] sd 0:0:0:0: [sda] 490350672 512-byte hardware sectors (251060 MB)
[456261.814821] sd 0:0:0:0: [sda] Write Protect is off
[456261.814821] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[456261.814821] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[456261.815959] end_request: I/O error, dev sda, sector 67087272
[456261.815959] md: super_written gets error=-5, uptodate=0
[456261.815959] raid1: Disk failure on sda2, disabling device.
[456261.815959] raid1: Operation continuing on 1 devices.
[456261.839031] md: recovery of RAID array md0
[456261.839031] md: minimum _guaranteed_ speed: 1000 KB/sec/disk.
[456261.839031] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery.
[456261.839031] md: using 128k window, over a total of 16771776 blocks.
[456261.839031] md: resuming recovery of md0 from checkpoint.
[456261.839031] md: md0: recovery done.
[456261.870978] RAID1 conf printout:
[456261.870978] --- wd:1 rd:2
[456261.870978] disk 0, wo:1, o:0, dev:sda2
[456261.870978] disk 1, wo:0, o:1, dev:sdb2
[456261.882453] md: recovery of RAID array md0
[456261.882453] md: minimum _guaranteed_ speed: 1000 KB/sec/disk.
[456261.882453] md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery.
[456261.882453] md: using 128k window, over a total of 16771776 blocks.
[456261.882453] md: resuming recovery of md0 from checkpoint.
[456261.882453] md: md0: recovery done.
[456261.955043] RAID1 conf printout:
[456261.955043] --- wd:1 rd:2
[456261.955043] disk 0, wo:1, o:0, dev:sda2
[456261.955043] disk 1, wo:0, o:1, dev:sdb2
[456261.975043] RAID1 conf printout:
[456261.975043] --- wd:1 rd:2
[456261.975043] disk 0, wo:1, o:0, dev:sda2
[456261.975043] disk 1, wo:0, o:1, dev:sdb2
[456261.986147] RAID1 conf printout:
[456261.986147] --- wd:1 rd:2
[456261.986147] disk 1, wo:0, o:1, dev:sdb2
[699679.487658] cdrom: This disc doesn't have any tracks I recognize!
Ez így normális? Vagy jól sejtem, hogy disk_döglés van?
(raid1: Disk failure on sda2, disabling device.)
Egyébként a rendszer épp az md0 -án van, a többi, csak szerver meg backup, szóval ötleteket, tippeket várok.
/mazursky