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>Jul 31 02:10:18 RACK001-ENCLOSURE001-1 kernel: qla2x00_combine_by_lunid lun = 0 does not support ALUA This means that LUN 0 does not support Asymmetric Logical Unit Addressing. This again in a benign message as the INQUIRY data returned from a controller device is slightly different than the data returned by a normal disk. ... RedHat Linux and ...
MSL6000 backup solution for linux Hi, the HP MSL6000 tape library is working fine with Tru64 5.1B. ... qla2x00_combine_by_lunid lun = 0 does not support ALUA qla2x00_combine_by_lunid: Found a controller path 0x0 - lun 0 ... Found a controller path 0x0 - lun 0 qla2x00_combine_by_lunid lun = 0 does not support ALUA qla2x00_combine_by_lunid: Found ...
This document was updated in July 2014 to support the Linux Host Utilities 6.2. The following information was added to this document: • Support for Citrix XenServer 6 series and the sample multipath.conf file has been added. For information, see Sample Configuration for Citrix XenServer on page 145.
This topic describes LUN identification for a Linux host system. In Linux 2.4 kernels, SCSI devices are discovered by scanning the SCSI bus when the host adapter driver is loaded. A list of devices which have been discovered and are recognized by the SCSI subsystem are listed in /proc/scsi/scsi.
LUN 0: There is one LUN which is required to exist in every target: zero. The logical unit with LUN zero is special in that it must implement a few specific commands, most notably Report LUNs, which is how an initiator can find out all the other LUNs in the target. But LUN zero need not provide any other services, such as a storage volume.
The metadata for each LUN requires approximately 64K of space in the containing aggregate. When you create a LUN, you must ensure that the containing aggregate has enough space for that LUN's metadata. If the aggregate does not contain enough space for the LUN's metadata, some hosts might not be …
Feb 22 10:47:18 node1 kernel: scsi: host 1 channel 0 id 0 lun 0x0000000000000001 has a LUN larger than currently supported When this happens the RHEV system considers itself to be out of contact with the host and storage. It comes back after a couple minutes, but the operation (creating the template) is abandoned. Environment
Adding a LUN: Create the LUN on the SAN, and assign it to the server. On the server, execute `rescan-scsi-bus.sh`. Use `lsscsi` to confirm the LUN is seen by the OS. If the disk is not seen, repeat this step using different command line parameters to scan for all devices (i.e. -w -c -l). If the LUN is still not seen, a reboot may be required.
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Sep 04, 2004 · iSCSI boot initialization module for Linux HOWTO. Igor Feoktistov <[email protected]> V2.2, September 4, 2004 This HOWTO explains how to mount root filesystem using Linux iSCSI initiator and iSCSI-init module.
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