SnapDrive for UNIX operations fails due to improper multipath settings when aliased devices are used.
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PDF of this doc site
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Administration for Linux
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Role-based access control in SnapDrive for UNIX
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Installation and Administration for Solaris
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Role-based access control in SnapDrive for UNIX
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Creating and using Snapshot copies in SnapDrive for UNIX
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Installation and Administration for IBM AIX
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Role-based access control in SnapDrive for UNIX
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Creating your file...
When you run the storage show
or snap create
command in RHEL 5.11, the command displays the following error message:
Status call to SDU daemon failed and in SLES11SP3 host with --nolvm option when the host LVM is not involved.
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snapdrive storage show -all
command fails to show proper alias nameSnapDrive for UNIX does not show proper alias name for the mapper devices. This issue occurs when multipaths{ } section is not proper in the
multipath.conf
file. -
Workaround
You must ensure that closing braces are entered in the multipath settings.
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SnapDrive operations fails with the below error when the alias names has been set for the mapper devices
Snapdrive could not import /dev/mapper/lvm_fs_SdDg: device-mapper: resume ioctl failed: Invalid argument Unable to resume lvm_fs_SdDg-lvm_fs_SdHv (252:4) 1 logical volume(s) in volume group "lvm_fs_SdDg" now active”
This issue occurs when the alias name mapping with the devices is not proper.
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Workaround
Perform
multipath-ll
and make sure that the alias name mapping with the devices is proper, and then perform the SnapDrive for UNIX operations.