Sometimes you need to start with a fresh ResiserFS partition (mkfs), then restart squid. Also, please be using the latest revision of your branch of Squid, because I recall seeing this problem myself with earlier revisions of Squid 3.0, particularly using "aufs". Not sure of the details on this issue mentioned. >>> "jiluspo" <jiluspo@xxxxxxxxxxxx> 3/2/2011 7:20 AM >>> I've seen few of this in cache.log How can we pull out the URL/storeurl of this files that are missing. 2011/03/01 23:49:21| storeAufsOpenDone: (2) No such file or directory 2011/03/01 23:49:21| /cache03/00/69/000069BB 2011/03/01 23:49:56| storeAufsOpenDone: (2) No such file or directory 2011/03/01 23:49:56| /cache03/01/38/0001385C 2011/03/01 23:50:00| storeAufsOpenDone: (2) No such file or directory 2011/03/01 23:50:00| /cache03/01/5A/00015A91 2011/03/01 23:50:00| storeAufsOpenDone: (2) No such file or directory 2011/03/01 23:50:00| /cache03/01/5B/00015B1B 2011/03/01 23:50:01| storeAufsOpenDone: (2) No such file or directory 2011/03/01 23:50:01| /cache03/01/68/000168CA 2011/03/02 02:08:16| storeAufsOpenDone: (2) No such file or directory 2011/03/02 02:08:16| /cache03/04/A5/0004A55B 2011/03/02 02:08:16| storeAufsOpenDone: (2) No such file or directory 2011/03/02 02:08:16| /cache03/04/A5/0004A558 2011/03/02 02:08:49| storeAufsOpenDone: (2) No such file or directory 2011/03/02 02:08:49| /cache03/04/A8/0004A8BE 2011/03/02 02:12:24| storeAufsOpenDone: (2) No such file or directory 2011/03/02 02:12:24| /cache02/04/F0/0004F00F 2011/03/02 02:14:20| storeAufsOpenDone: (2) No such file or directory 2011/03/02 02:14:20| /cache02/04/FC/0004FC56 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. Travel Impressions made the following annotations ------------------------------------------------------------- "This message and any attachments are solely for the intended recipient and may contain confidential or privileged information. If you are not the intended recipient, any disclosure, copying, use, or distribution of the information included in this message and any attachments is prohibited. If you have received this communication in error, please notify us by reply e-mail and immediately and permanently delete this message and any attachments. Thank you."