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June 14th, 2012 22:00
ISCSI Replication fail
Regarding a disk space problem on our 900gb filesystem used for our primary Microsoft Exchange databases hosted on 2 x 250GB iscsi luns on this filesystem. The iscsi luns are also replicated to our DR Celerra. Since creating the 2 new 250gb iscsi luns(16,17), deleting the old replication and 2 x 200gb iscsi luns (9,11) and setting up replication for the new luns we have no disk space left on the 900gb filesystem.
Previously the filesystem was 500gb (when hosting the 2 x 200gb luns 9 and 11) with replication and had spare space so we struggle to understand why an extended 900gb filesystem hosting 2 x 250gb iscsi luns is full!.
Replication has now stopped due to the filesystem being full - it was working for a few days prior to this.
I'm getting error message when he start the replication
"
Slot 2: Source Scheduler=fs71_T1_LUN16_SL7E9101800001_0000_fs25_T1_LUN16_SL7E9101800030_0000(alias=ExchangeDB1_Rep), refreshing an internal checkpoint failed:DpRequest_vs_OutOfSpace. Session inactive.
Rama_singh
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June 20th, 2012 05:00
HI Sameer,
Thanks,
My file system size is already 900 GB
Please let me know, what's is allocation size.alloc=311MB, alloc=216286MB.
Can i freeup by deleting ISCSI snapshot for lun17.
(Production) fsid=71 size=256000MB alloc=311MB dense path=/ExchangeDB/fs71_T1_LUN16_SL7E9101800001_0000/fs71_T1_LUN16_SL7E9101800001_0000 (snapped)
(Production) fsid=71 size=256000MB alloc=216286MB dense path=/ExchangeDB/fs71_T1_LUN17_SL7E9101800001_0000/fs71_T1_LUN17_SL7E9101800001_0000
Connected Initiators:
SAMEERK1
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June 20th, 2012 05:00
Hi,
you may have to extend the file system size on which iSCSI lun exists as the snapshots for iSCSI lun will be saved in the file system.
Sameer Kulkarni