From mboxrd@z Thu Jan 1 00:00:00 1970 From: andrey mirtchovski To: 9fans@cse.psu.edu Subject: Re: [9fans] venti/fmtarenas approximate duration? In-Reply-To: <46b098f7fef816cc34df8875c2a16dea@plan9.bell-labs.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Date: Mon, 23 Jun 2003 19:42:34 -0600 Topicbox-Message-UUID: d8aba084-eacb-11e9-9e20-41e7f4b1d025 On Mon, 23 Jun 2003 jmk@plan9.bell-labs.com wrote: > i did a fmtarenas on a 500GB raid last week, it took over > 6 hours at about 22MB/s. > > what is the output of the 'pci' command? it really sounds like > you don't have dma on. the disk with the arenas is sdD0 (i converted the commands to sdC0 before posting to the list). i've ran 'echo dma on' on both disks, and 'echo rmw on' on the second one only... # pci 0.0.0: 06.00.00 8086/2578 0 0.1.0: 06.04.00 8086/2579 0 0.29.0: 0c.03.00 8086/24d2 11 4:0000ef01 32 0.29.1: 0c.03.00 8086/24d4 10 4:0000ef21 32 0.29.2: 0c.03.00 8086/24d7 5 4:0000ef41 32 0.29.3: 0c.03.00 8086/24de 11 4:0000ef81 32 0.29.7: 0c.03.20 8086/24dd 10 0:f7fffc00 1024 0.30.0: 06.04.00 8086/244e 0 0.31.0: 06.01.00 8086/24d0 0 0.31.1: 01.01.8a 8086/24db 0 0:00000001 16 1:00000001 16 2:00000001 16 3:00000001 16 4:0000fc01 16 5:00000000 1024 0.31.3: 0c.05.00 8086/24d3 5 4:00000401 32 0.31.5: 04.01.00 8086/24d5 5 0:0000e801 256 1:0000ee81 64 2:f7fff800 512 3:f7fff400 256 2.11.0: 03.00.00 5333/8a01 10 0:f0000000 67108864 2.13.0: 02.00.00 1186/1300 5 0:0000d401 256 1:f7eef400 256 2.3.0: 0c.00.10 1106/3044 5 0:f7eef800 2048 1:0000dc01 128 2.5.0: 02.00.00 10b7/1700 5 0:f7ee8000 16384 1:0000d801 256 # # cat /dev/sdC0/ctl inquiry Maxtor 6Y080L0 config 0040 capabilities 2F00 dma 00550020 dmactl 00000000 rwm 16 rwmctl 0 geometry 160086528 512 16383 16 63 part data 0 160086528 part plan9 63 160071660 part 9fat 63 20545 part fs 20545 159445204 part swap 159445204 160071659 part nvram 160071659 160071660 # # cat /dev/sdD0/ctl inquiry Maxtor 6Y080L0 config 0040 capabilities 2F00 dma 00550020 dmactl 00000000 rwm 16 rwmctl 16 geometry 160086528 512 16383 16 63 part data 0 160086528 part plan9 63 160071660 part 9fat 63 204863 part nvram 204863 204864 part fossil 204864 25783551 part arenas 25783551 153676988 part isect 153676988 160071660 #