| Seagate Power Mgmt and RAID [message #38322] |
Mon, 07 December 2009 02:41 |
krazybob
Messages: 38
Registered: December 2009
Location: Los Angeles, CA
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We have numerous servers using Seagate NL drives (250's and 750's) in RAID 0 configuration for speed. We thought this fine because of daily backups. All are built identical using NL35-250's or 750's, 3Ware 8006-LP RAID controllers. We have tried using noapic nolapic panic=10 in grub.coinf with no change. 3Ware tells us that the Seagate drives are spinning down, so we added a CRON that touches a file once a minute. This also has not helped.
Trying hdparm -Z /dev/sda produces errors.
How can we turn drive power management off and keep it off after a reboot?
How about Western Digital drives?
Is there an issue with the kernel emerging with 8006 controllers?
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