[Pytables-users] checksum always verified?

2013-02-27 Thread Frédéric Bastien
Hi, we just got some problem with our file server and this bring me question on how to detect corrupted files. There is a way to specify a filter when creating a table that add a checksum[1]. My questions is, when a file is created with checksum, are they always verified when the chunks are unco

Re: [Pytables-users] checksum always verified?

2013-02-27 Thread Anthony Scopatz
I think that the checksum is on the compressed data... On Wed, Feb 27, 2013 at 2:16 PM, Frédéric Bastien wrote: > Hi, > > we just got some problem with our file server and this bring me > question on how to detect corrupted files. > > There is a way to specify a filter when creating a table tha

Re: [Pytables-users] checksum always verified?

2013-02-27 Thread Frédéric Bastien
That is fine with me. I just want to detect if my data got corrupted by hardware problems. Do someone know if it always get verified? Do you know if this cause significant speed difference? thanks Frédéric On Wed, Feb 27, 2013 at 3:21 PM, Anthony Scopatz wrote: > I think that the checksum is o

Re: [Pytables-users] checksum always verified?

2013-02-27 Thread Anthony Scopatz
Sorry, I don't know. I never have used this feature. Maybe someone who has can chime in. On Wed, Feb 27, 2013 at 2:26 PM, Frédéric Bastien wrote: > That is fine with me. I just want to detect if my data got corrupted > by hardware problems. > > Do someone know if it always get verified? Do y