On 1/20/19 3:04 PM, Eliezer Croitoru wrote: > This swap.state behavior is only for UFS/AUFS cache_dir or also to rock? Rock cache_dirs do not use swap.state. Alex. > -----Original Message----- > From: squid-users [mailto:squid-users-bounces@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Alex Rousskov > Sent: Thursday, January 17, 2019 19:23 > To: squid-users@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: Backing up squid cache and restoring it > > On 1/17/19 6:47 AM, Arne-Tobias Rak wrote: > >> my goal is to restore a previous cache state in squid 3.x running on >> Ubuntu 16.04. >> >> So far I have tried to create a copy of the /var/spool/squid and >> /var/log/squid folders. >> When restoring the cache, I first shutdown squid using >> /sudo squid -k shutdown// >> //sudo service squid stop -k >> /and then restore the previously copied folder contents. I then start >> squid again using >> /sudo service squid start./ > >> Unfortunately, this does not restore the previous cache contents, as the >> spool/squid/swap.state file is modified during squid startup. > > Modification of swap.state upon startup is not incompatible with cache > contents preservation. > > In a clean shutdown context, the swap.state* files are essentially an > optimization. You may preserve/restore them if you want to speed up > building of the restored cache index OR you can delete them (and Squid > will slowly build a new cache index from scratch). Just do not leave the > newer swap.state* files when trying to restore the old cache. > > If you preserve/restore the old swap.state* files, you may need to > preserve their timestamps as well. > > > If you need further help, please share cache.log entries related to > cache_dir loading and indicate why you think the old cache contents is > not preserved. Sharing your cache_dir configuration may also help. > > > Cheers, > > Alex. > _______________________________________________ > squid-users mailing list > squid-users@xxxxxxxxxxxxxxxxxxxxx > http://lists.squid-cache.org/listinfo/squid-users > _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users
