Check /proc/sys/dev/raid/speed_limit_[min|max]. If they are set too low then your re-mirror will behave as such. To change just echo a new value: echo 30000 > /proc/sys/dev/raid/speed_limit_min echo 50000 > /proc/sys/dev/raid/speed_limit_max Max is 100000 I believe. Hope this helps, Andy. On Wed, 2003-06-18 at 08:32, Per Andreas Buer wrote: > Hi. > > I have two 70GB drives and a 140GB disk set up in RAID1 across the 140GB > drive and a RAID0 built over the 70GB disks. Both the RAID0 and the big > disk are quite fast (transfers ~ 110MB/s and 70MB/s) - but the mirror is > dead slow. > > Resync lokes like this: > > md1 : active raid1 md11[2] sdd1[0] > 497856 blocks [2/1] [U_] > [=========>...........] recovery = 48.0% (240188/497856) > finish=15.6min speed=272K/sec > > If this configuration unwise in some respect? > > Plain 2.4.20-kernel with some fixes (ext3 and ptrace bugs). Adaptec > 7899P (rev 08).~ > > # cat /proc/scsi/scsi > Attached devices: > Host: scsi0 Channel: 00 Id: 00 Lun: 00 > Vendor: IBM Model: DDYS-T18350M Rev: SA2A > Type: Direct-Access ANSI SCSI revision: 03 > Host: scsi0 Channel: 00 Id: 01 Lun: 00 > Vendor: FUJITSU Model: MAN3735MC Rev: 0109 > Type: Direct-Access ANSI SCSI revision: 03 > Host: scsi0 Channel: 00 Id: 02 Lun: 00 > Vendor: FUJITSU Model: MAN3735MC Rev: 0109 > Type: Direct-Access ANSI SCSI revision: 03 > Host: scsi0 Channel: 00 Id: 03 Lun: 00 > Vendor: SEAGATE Model: ST3146807LC Rev: 0004 > Type: Direct-Access ANSI SCSI revision: 03 > Host: scsi0 Channel: 00 Id: 06 Lun: 00 > Vendor: SUPER Model: GEM354 REV001 Rev: 1.04 > Type: Processor ANSI SCSI revision: 02 -- Andrew Rechenberg <arechenberg@shermfin.com> Infrastructure Team, Sherman Financial Group - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html