Hi, I have 2 HDDS on RAID1
srv1:~# dmesg |grep sda [ 2.291895] sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) [ 2.291895] sd 0:0:0:0: [sda] Write Protect is off [ 2.291895] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.291895] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.291895] sd 0:0:0:0: [sda] 976773168 512-byte hardware sectors (500108 MB) [ 2.291895] sd 0:0:0:0: [sda] Write Protect is off [ 2.291895] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 2.291895] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.291895] sda: sda1 sda2 sda3 sda4 [ 2.309892] sd 0:0:0:0: [sda] Attached SCSI disk [ 2.572419] md: bind<sda1> [ 2.646614] md: bind<sda2> [ 2.668049] md: bind<sda3> [ 2.689747] md: bind<sda4> srv1:~# dmesg |grep sdb [ 2.309971] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB) [ 2.310023] sd 1:0:0:0: [sdb] Write Protect is off [ 2.310062] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 2.310079] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.310167] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 MB) [ 2.310219] sd 1:0:0:0: [sdb] Write Protect is off [ 2.310257] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 2.310275] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.310334] sdb: sdb1 sdb2 sdb3 sdb4 [ 2.334975] sd 1:0:0:0: [sdb] Attached SCSI disk [ 2.574688] md: bind<sdb1> [ 2.649835] md: bind<sdb2> [ 2.668049] md: bind<sdb3> [ 2.689747] md: bind<sdb4> srv1:~# I ran smartctl -t long on both the hard disks. now when I take the log srv1:~# smartctl -l selftest /dev/sda smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Self-test routine in progress 90% 576 - srv1:~# smartctl -l selftest /dev/sdb smartctl version 5.38 [x86_64-unknown-linux-gnu] Copyright (C) 2002-8 Bruce Allen Home page is http://smartmontools.sourceforge.net/ === START OF READ SMART DATA SECTION === SMART Self-test log structure revision number 1 Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error # 1 Extended offline Self-test routine in progress 90% 60 - srv1:~# why is the life time of sda around *10* times that of sdb ? thanks --Siju -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/aanlktilu86ox-pzrxjqlarkebo_xasjad9xljkwnk...@mail.gmail.com
