Intel BB5000XALR Specification Update - Page 26

Drives may not be detected or may go offline in the Intel® Server System

Page 26 highlights

Enterprise Platforms and Services Marketing Monthly Specification Update 41. SuSE* Linux Enterprise Server unable to boot after basic installation Problem During SuSE* Linux Enterprise Server installation, if a USB floppy drive is used to load the mass storage driver, SuSE* Linux Enterprise Server might not boot after basic installation. The following message may display: resume device /dev/sdb1 not found (ignoring) waiting for device /dev/sdb2 to appear not found -- exiting to /bin/sh $ Implication During installation, the USB floppy device is recognized as sda, and the mass storage is recognized as sdb. After reboot, the mass storage is now recognized as sda, but SuSE* Linux Enterprise Server still tries to load system files from sdb. To resolve this issue, you must modify the grub menu list file and the fstab file. Status No Fix. Workaround http://www.intel.com/support/motherboards/server/sb/CS-025446.htm describes this issue and its workaround. 42. Drives may not be detected or may go offline in the Intel® Server System SR2500ALBRP when operating at SATA 3GB/s data rate Problem In the Intel® Server System SR2500ALBRP with a passive midplane, hard drives may not maintain stable operation at 3GB/s data rate. The problem is known to exist when using the on-board ESB2 controller with any 3GB/s capable drive. The active midplane is not affected. Implication The drives may not be detected during boot or may go offline during an operating system installation or stress load. Status The erratum is fixed with the new revision of the passive midplane FALPASMP MM# 901687, TA# D43781-003, PBA# E24192-203 that will improve SATA signal margins. Workaround Force hard drives to operate at 1.5GB/s data rate. The SATA data rate change does not have a significant impact on hard drive performance as the data rate of 1.5GB/s is still substantially higher than sustained drive media throughput. The active midplane is not affected. On most drives, the SATA data rate can be forced to 1.5GB/s by installing a jumper on the drive. If jumpering the HDD is not an option, contact your HDD supplier for alternate options. 20

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Enterprise Platforms and Services Marketing
Monthly Specification Update
20
41.
SuSE* Linux Enterprise Server unable to boot after basic installation
Problem
During SuSE* Linux Enterprise Server installation, if a USB floppy drive is used
to load the mass storage driver, SuSE* Linux Enterprise Server might not boot
after basic installation.
The following message may display:
resume device /dev/sdb1 not found (ignoring)
waiting for device /dev/sdb2 to
appear
..............................
not found -- exiting to
/bin/sh
$
Implication
During installation, the USB floppy device is recognized as sda, and the mass
storage is recognized as sdb. After reboot, the mass storage is now recognized
as sda, but SuSE* Linux Enterprise Server still tries to load system files from
sdb. To resolve this issue, you must modify the grub menu list file and the fstab
file.
Status
No Fix.
Workaround
describes this issue and its workaround.
42.
Drives may not be detected or may go offline in the Intel® Server System
SR2500ALBRP when operating at SATA 3GB/s data rate
Problem
In the Intel
®
Server System SR2500ALBRP with a passive midplane, hard
drives may not maintain stable operation at 3GB/s data rate. The problem is
known to exist when using the on-board ESB2 controller with any 3GB/s
capable drive. The active midplane is not affected.
Implication
The drives may not be detected during boot or may go offline during an
operating system installation or stress load.
Status
The erratum is fixed with the new revision of the passive midplane FALPASMP
MM# 901687, TA# D43781-003, PBA# E24192-203 that will improve SATA
signal margins.
Workaround
Force hard drives to operate at 1.5GB/s data rate. The SATA data rate change
does not have a significant impact on hard drive performance as the data rate
of 1.5GB/s is still substantially higher than sustained drive media throughput.
The active midplane is not affected.
On most drives, the SATA data rate can be forced to 1.5GB/s by installing a
jumper on the drive. If jumpering the HDD is not an option, contact your HDD
supplier for alternate options.