07-10-2012
Quote:
Originally Posted by
MarkLee
It depends what applications are planning to run on the ZFS. And it will be better if the pool can be formed in mirror / raidz state instead of just 1 LUN or stripe set of pool.
This zpool is intended as a staging area for MySQL backup server (in this case Zmanda).
When MySQL backup is finished is from this stage area taken backup by NetBackup to tapes.
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LEARN ABOUT DEBIAN
ql-dynamic-tgt-lun-disc
ql-dynamic-tgt-disc(8) System Administration ql-dynamic-tgt-disc(8)
NAME
ql-dynamic-tgt-lun-disc - Scans for newly added LUNs.
SYNOPSIS
ql-dynamic-tgt-lun-disc [OPTIONS]
DESCRIPTION
Dynamic TGT-LUN Discovery Utility
This utility scans for newly added LUNs. After adding new LUNs, you do not need to unload, then load the QLogic FC driver or reboot the
system
To begin scanning the LUNs issue following command:
# /usr/sbin/ql-dynamic-tgt-lun-disc
-al, --allow-lip
LIP is not issued by default, even if it is required for scanning new LUNs Setting this option, allows the utility to issue LIP.
-cl, --current-luns
Displays LUNS currently present
-e, --extended-scan
Use this option as "-e | --extended-scan". to rescan LUNs. This will identify any change in attributes of existing LUNs. This option
can be used in combination of scan/refresh or max luns
-h, --help, ?
Prints this help message
-i, --interactive
Use this option to use the menu driven program
-is, --iscsi
Use this option to operate on ISCSI HBAs, this option can be used in combination of any other supported option.
-m, --max-lun
To set the maximum LUNs to be scanned
-p, --proc
Use PROC file system for LUN scanning
-r, --refresh
To refresh, that is remove LUNs that are lost use the options "-r|--refresh". This will remove the LUNs which no more exist.
-s, --scan [ -r|--refresh ]
The QLogic LUN scan utility re-scans all the devices connected to the QLogic HBA
SEE ALSO
ql-lun-state-online(8), ql-hba-snapshot(8), ql-set-cmd-timeout(8)
Matthias Schmitz <matthias@sigxcpu.org> July 2009 ql-dynamic-tgt-disc(8)