10 servers cannot be with corrupted ram but one yes. Because this I asked if its always the same PC. Antivírus can corrupt databases, specially if the have several Gb. I have had all of those problems. Em 15/11/2013 09:07, "Dmitri Markov" <[email protected]> escreveu:
> > > 10 servers with corrupted ram? I never look so different servers with > corrupted ram, I know that not all of them real servers but real servers > with ECC RAM has broken DB, too. > > I try to work without antivirus, but how antivirus can crash DB? > > > On Friday, November 15, 2013 2:43 PM, "[email protected]" < > [email protected]> wrote: > > Turn off all antivírus software. If you take several times in the same > PC broken fks maybe you have a corrupter ram in that PC! > Run a memory test on that PC! > Em 15/11/2013 08:37, <[email protected]> escreveu: > > > Broken DB decrease performance. I don't find any dessapeared records of > value of fields, but if I try to validate database, I see errors in DB. > Hardware and OS always different, Firebird 2.5 with different > architecture(cometimes classic, sometimes superserver). Force writes I > check first and it's ON on for all servers. > Some servers used RAID, but some others used only one HDD, it's depend > from nu,ber of users and consumer abilities. > When I restore DB I see the constraint error. My method of repair is more > than easy recreating of FK and indexes. For the first I try backup and > restore without garbage collection, than try different options of using > gfix, last I try gbak -b -v -ig -g database.gdb database.gbk, than I try > to restore withput activating Indexes, than I try to delete all indexes, > and FK, and than spep-by-step create FK and than indexes. When I restore FK > I foun some records that break referential integrity. I delete this records > and create FK. After that I use IBExpert and use SchemeCompair check all > indexes, functions, key etc. After all this steps I check DB, doing backup > and restore and if all ok I send it to the client. > > How I can attached log file here? > In log file a lot of records look like this > PC (Server) Thu Nov 14 12:35:16 2013 > INET/inet_error: read errno = 10054 > > > ---In [email protected], <aharrison@...> wrote: > > On Thu, Nov 14, 2013 at 4:34 AM, <markovdmitri@...> wrote: > > > > I use firebird for my product and for some times my databases start break. > > > OK. What makes you think the database is broken? Are you seeing error > messages? > What are they? Are you losing data? Seeing incorrect data? Have you > checked the > Firebird log for errors? > > > I read a lot of forums about protection of my databases, but I don't > understand what the reason of breaking. > > > Nor do we, unless you give us some more information. What version of > Firebird? What operating > environment? Which Firebird architecture (classic, superserver, super > classic)? What disk > architecture? Are you using forced writes? > > > DataBase is broken and can't be restored from backup, > > > If you can create a database, but not restore it, then the problem may be > with a broken constraint. > The error that gbak reports would be very helpful. > > > but I can work with database and I can repair it(I need about 3 hours for > repairing, because I need to recreate all indexes and foreign key and > delete phantom records). > > > Phantom records? What exactly are you doing to repair the database and > why did you > choose the method of recreating all indexes and foreign key relationships? > > > > I don't understand reasons for broken. Can you help me to find the > solution of this problem? > > > Probably, with some more clues... > > > Maybe I must to show some log's or to turn on some logs that can help to > fin solution? > > > The logs you need already exist - firebird.log and possibly the system > error log. Without > knowing more about your environment, I can't say where they are or what > they're called. > > Good luck, > > Ann > > > > >
