Date: Thu, 17 Feb 2005 15:20:49 -0600 From: Eric Anderson <anderson@centtech.com> To: Brooks Davis <brooks@one-eyed-alien.net> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: newfs limits? 10TB filesystem max? Message-ID: <42150AB1.9010800@centtech.com> In-Reply-To: <20050217195559.GA6201@odin.ac.hmc.edu> References: <20050216215325.9201.qmail@web26805.mail.ukl.yahoo.com> <4213C1FB.6030802@centtech.com> <20050216225528.GB2787@odin.ac.hmc.edu> <4213D099.3020504@centtech.com> <20050216230709.GA22840@odin.ac.hmc.edu> <4214F538.30409@centtech.com> <20050217195559.GA6201@odin.ac.hmc.edu>
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Brooks Davis wrote: > On Thu, Feb 17, 2005 at 01:49:12PM -0600, Eric Anderson wrote: > >>Brooks Davis wrote: >>[..snip..] >> >>>>>>>>I've just built an enormous 10TB filesystem. When >>>>>>>>trying to newfs the disk, it bombed with something >>>>>>>>like "cannot allocate memory" after something like >>>>>>>>23xxxxxxxxx sectors.. I noticed disklabel complains >>>>>>>>about disks with more than 2^32-1 sectors not being >>>>>>>>supported.. >> >>[..snip..] >> >>>In that case, you probably don't actually have a bsdlabel there. It's >>>not longer required with geom since you can newfs disks. >>> >>>-- Brooks >>> >> >>Ok - but I'm still wondering why newfs can't newfs.. Here's the real error >>pasted in: >> >>a newfs -U /dev/vinum/plex/raid.p0 gives: >>... >>23425543840, 23425920160, 23426296480, 23426672800, 23427049120, >>23427425440, 23427801760, 23428178080, 23428554400, 23428930720, >>23429307040, 23429683360, 23430059680, 23430436000, 23430812320, >>23431188640, 23431564960, 23431941280, 23432317600, 23432693920, >>23433070240, 23433446560, 23433822880, 23434199200, 23434575520, >>23434951840, 23435328160, 23435704480, 23436080800, 23436457120, >>23436833440, 23437209760, 23437586080, 23437962400, 23438338720,newfs: >>wtfs: 65536 bytes at sector 23438715040: Cannot allocate memory >> >>But: >>newfs -U -s 23438338720 /dev/vinum/plex/raid.p0 >>works.. So I'm losing the last part of my partition.. > > > I'm guessing you are hitting the process datasize limit with newfs. You > should be able to raise it a bit from the default. Be warned, that fsck > has much higher memory requirements so recovery may be difficult if not > impossiable without a 64-bit machine. During the newfs, the process only uses 2424K of memory (1825K resident). I have several hundred MB of memory free the whole time, through and after the newfs. Eric -- ------------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology I have seen the future and it is just like the present, only longer. ------------------------------------------------------------------------
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