Re: recover file from destroyed zfs snapshot - is it possible?

2011-06-09 Thread Artem Belevich
On Thu, Jun 9, 2011 at 3:43 PM, Greg Bonett wrote: > One question though, you say it's necessary that "appropriate >  disk blocks have not been reused by more recent transactions" > Is it not possible for me to just read all the disk blocks looking for > the filename and string it contained? How b

Re: recover file from destroyed zfs snapshot - is it possible?

2011-06-09 Thread Greg Bonett
On Thu, 2011-06-09 at 14:57 -0700, Artem Belevich wrote: On Thu, Jun 9, 2011 at 1:00 PM, Greg Bonett wrote: > > Hi all, > > I know this is a long shot, but I figure it's worth asking. Is there > > anyway to recover a file from a zfs snapshot which was destroyed? I know > > the name of the file and

Re: recover file from destroyed zfs snapshot - is it possible?

2011-06-09 Thread Artem Belevich
On Thu, Jun 9, 2011 at 1:00 PM, Greg Bonett wrote: > Hi all, > I know this is a long shot, but I figure it's worth asking. Is there > anyway to recover a file from a zfs snapshot which was destroyed? I know > the name of the file and a unique string that should be in it. The zfs > pool is on geli

problem with urtw

2011-06-09 Thread Jim Bryant
I just bought one of those chinese (apparently the same unit relabeled and being sold by multiple companies) realtek RTL8187B wifi units. The price is right. The label name on this one is WiFySky 1500mW. other than the fact that the case it is enclosed in is really cheesy, there is a more im

kvm_open errors on /proc/*/mem in top

2011-06-09 Thread Jim Bryant
i'm not sure which list this belongs to, so i'm posting to -hackers and -stable. i've noticed for a while now that during heavy activity (for instance buildworld), that top will get these kvm_read errors when reading proc mem entries. i have included a screenshot of what happens during such even

recover file from destroyed zfs snapshot - is it possible?

2011-06-09 Thread Greg Bonett
Hi all, I know this is a long shot, but I figure it's worth asking. Is there anyway to recover a file from a zfs snapshot which was destroyed? I know the name of the file and a unique string that should be in it. The zfs pool is on geli devices so I can't dd the raw device and look for it. Any sugg

Re: BTX loader problem on specific hardware

2011-06-09 Thread John Baldwin
On Thursday, June 09, 2011 11:28:20 am Guido Falsi wrote: > Hi! > > I'm having a problem with BTX hanging on an HP 6005 Pro PC. > > I have filed a followup to an existing PR about this exact problem: > > http://www.freebsd.org/cgi/query-pr.cgi?pr=151122 > > All the information there looks corre

Re: [SOLVED] Re: labelling root file system (RELENG_8)

2011-06-09 Thread Matthias Andree
Am 08.06.2011 19:59, schrieb Rob Farmer: > Also, I've seen the sysctl kern.geom.debugflags=16 thing in zfs > tutorials and such, but haven't seen where it's actually necessary. I > think this is outdated and changed circa 8.0. Possibly - it's still a de-facto standard reflex action whenever a new

Re: Disable probing of bge1?

2011-06-09 Thread mgiurgeu
we managed to disable bge0, by inserting the following: + if (device_get_unit(dev) == 0) + return (ENXIO); + -- View this message in context: http://freebsd.1045724.n5.nabble.com/Disable-probing-of-bge1-tp3961580p4473468.html Sent from the freebsd-stable mailing list a

BTX loader problem on specific hardware

2011-06-09 Thread Guido Falsi
Hi! I'm having a problem with BTX hanging on an HP 6005 Pro PC. I have filed a followup to an existing PR about this exact problem: http://www.freebsd.org/cgi/query-pr.cgi?pr=151122 All the information there looks correct and stands true. I have tried performing some trivial debugging on btxld

re0 died last night; here's how I half-revived it

2011-06-09 Thread Kirk Strauser
I have a FreeBSD 8-STABLE system that's been running stably since I last upgraded and rebooted on May 8. Yesterday, I updated /usr/src to get ZFS v28 and also seem to have gotten rid of my nice, solid re0 network interface: re0: port 0xb000-0xb0ff mem 0xea21-0xea210fff,0xea20-0xe

Re: [SOLVED] Re: labelling root file system (RELENG_8)

2011-06-09 Thread nickolasbug
2011/6/8 Josh Carroll : >>> That would mean the only time a >>> person can use tunefs on a root filesystem is when they either do it >>> manually during the FreeBSD installation (adding "-t" to the list of >>> newfs flags in the filesystem creation UI), or if they boot off of some >>> other medium

Re: [SOLVED] Re: labelling root file system (RELENG_8)

2011-06-09 Thread nickolasbug
2011/6/8 Matthias Andree : > Am 08.06.2011 15:11, schrieb nickolas...@gmail.com: >> 1. Change your root fstab record to /dev/ada0s4a (not label!), reboot >> to single mode and try to re-label partition. > > Indeed not mounting from the label was (apparently) the key to solve > this.  Thank you. > >