Skip to main content
NetApp Knowledge Base

XCP sync performance degrades over time when lots of files deleted on source

Views:
713
Visibility:
Public
Votes:
1
Category:
netapp-xcp
Specialty:
nas
Last Updated:

Applies to

  • XCP 1.5
  • XCP 1.6
  • XCP 1.6P1

Issue

  • When a large number (Million) of files were deleted from the source volume/qtree after initial copy the XCP sync took lots of hours to complete.
  • Some of the errors seen in the XCP logs:
XCP logs :
 
Reopener (Reopener) (47012 isChild False) 'lnn63f1 tcp 2049 nfs3 c0' WARNING: reconnected in 0.007s after 1 try during 5s
xcp: 17,700 unknown, 17,706 retries, 5.40M reviewed, 61,770 checked at source, 5.42M gone, 1,532 dir.gone, 5.42M file.gone, 10 modifications, 2.93M removed, 61,760 reindexed, 1.99M errors, 1.21 GiB in (0/s), 2.98 GiB out (0/s), 5d11h
Reopener (Reopener) (47012 isChild False) 'lnn63f1 tcp 2049 nfs3 c0': (47012): new Reopener for lnn63f1 tcp 2049 nfs3 c0 is Child False (requests 1)
Reopener (Reopener) (47012 isChild False) 'lnn63f1 tcp 2049 nfs3 c0' WARNING: reconnecting to resend 1 pending request to lnn63f1 tcp 2049 nfs3 c0 (isChild False)
Reopener (Reopener) (47012 isChild False) 'lnn63f1 tcp 2049 nfs3 c0': resending nfs3 READ
 
removeT1 WARNING: error removing 'filer1.netapp.com:/vol1/tree1/slm.dir/fil12856.file' (sync batch): nfs3 REMOVE 'fil12856.file' in 'filer1.netapp.com:/vol1/tree1/slm.dir': nfs3 error 2: no such file or directory
removeT1 WARNING: error removing 'filer1.netapp.com:/vol1/tree1/slm2.dir/fil17268.file' (sync batch): nfs3 REMOVE 'fil17268.file' in 'filer1.netapp.com:/vol1/tree1/slm2.dir': nfs3 error 2: no such file or directory

 

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.
  • Was this article helpful?