@dynamox
We have ip replication between two vnx5300.

we have 10 PFS. File pool free size left is only 1TB. Total file pool size is 120TB. 90TB is allocated to the 10*PFS combined and 19TB is allocated to checkpoint FS.

The network in secondary site is setup such that if I failover replication to destination VNX then it will not be able to reverse synch. So I do not have any option to switchover and run the script by EMC to resize the savvols.

so am thinking of deleting savvol of a single PFS.

Let me know if the following commands and procedure is correct:

Steps: Let me know if the steps are correct ?

1) delete regular checkpoint FS on source VNX is for example:

nas_fs -d id=1121 -o umount=yes

+ similarly for all remaining Daily and Weekly ckpts

2) stop and delete replication session (PFS-to-site2 is the session name) on Source VNX :

nas_replicate -stop PFS-to-site2 -mode source -background

nas_replicate -delete PFS-to-site2 -mode source -background

3) delete replication ckpt Filesystem on SourceVNX and check the file pool free size:

nas_fs -d id=915 -o umount=yes

nas_fs -d id=916 -o umount=yes

4) delete regular and replication ckpts on Destination VNX for PFS PFS and check the file pool free size.

5) create replication session for file system PFS with session name PFS-to-site2 on source VNX:

nas_replicate -create PFS-to-site2 -source -fs PFS -destination -pool Pool 0 -interconnect site1-site2 -source_interface ip=10.x.x.1 -destination_interface ip=10.y.x.2 -max_time_out_of_sync 10

6) Check file pool free size and savvol size on Source and Destination VNX for PFS

nasadmin@vnxsite1 ~]$ nas_replicate -info PFS-to-site2
ID                             = 174_APM0012440xxxx_2007_502_APM0012030yyyy_2007
Name                           = PFS-to-site2
Source Status                  = OK
Network Status                 = OK
Destination Status             = OK
Last Sync Time                 = Tue Aug 04 16:27:17 EDT 2020
Type                           = filesystem
Celerra Network Server         = Site2NASMGMT0
Dart Interconnect              = site1-site2
Peer Dart Interconnect         = site2-site1
Replication Role               = source
Source Filesystem              = PFS
Source Data Mover              = server_2
Source Interface               = 10.x.x.1
Source Control Port            = 0
Source Current Data Port       = 52844
Destination Filesystem         = PFS
Destination Data Mover         = server_2

Destination Interface          = 10.y.x.1
Destination Control Port       = 5085
Destination Data Port          = 8888
Max Out of Sync Time (minutes) = 10
Current Transfer Size (KB)     = 612352
Current Transfer Remain (KB)   = 228352
Estimated Completion Time      = Tue Aug 04 16:37:14 EDT 2020
Current Transfer is Full Copy = No
Current Transfer Rate (KB/s)   = 38027
Current Read Rate (KB/s)       = 8237
Current Write Rate (KB/s)      = 2038
Previous Transfer Rate (KB/s) = 40143
Previous Read Rate (KB/s)      = 8419
Previous Write Rate (KB/s)     = 2202
Average Transfer Rate (KB/s)   = 22336
Average Read Rate (KB/s)       = 7266
Average Write Rate (KB/s)      = 1744

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