Hello, thank you for all answers. General consensus is that those drives are suspicious (in terms of hardware). Because their behaviour influenced our workload very much we managed to reboot this server to check if that helps. It did: extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 12.0 116.6 96.0 469.7 0.0 1.0 0.0 7.6 0 74 c1 3.4 26.4 27.2 113.6 0.0 0.2 0.0 7.6 0 17 c1t4d0 0.0 4.8 0.0 3.8 0.0 0.0 0.0 4.7 0 2 c1t0d0 3.0 28.2 24.0 116.8 0.0 0.2 0.0 7.8 0 18 c1t5d0 3.0 28.2 24.0 107.8 0.0 0.2 0.0 8.0 0 19 c1t1d0 2.6 29.0 20.8 127.7 0.0 0.2 0.0 7.4 0 18 c1t2d0 12.0 117.0 96.0 469.9 0.0 0.3 0.0 2.6 0 27 c2 3.4 26.6 27.2 113.7 0.0 0.0 0.0 1.3 0 4 c2t12d0 3.0 28.4 24.0 116.9 0.0 0.1 0.0 1.6 0 4 c2t13d0 0.0 4.8 0.0 3.8 0.0 0.0 0.0 4.5 0 2 c2t8d0 2.4 28.2 19.2 107.8 0.0 0.0 0.0 1.1 0 3 c2t9d0 3.2 29.0 25.6 127.7 0.0 0.2 0.0 5.8 0 14 c2t10d0 0.0 0.2 0.0 1.5 0.0 0.0 0.0 4.0 0 0 d0 0.0 0.2 0.0 1.5 0.0 0.0 0.0 12.1 0 0 d1 0.0 0.2 0.0 1.5 0.0 0.0 13.1 12.2 0 0 d2 24.0 103.8 192.0 465.8 0.0 1.0 0.3 8.1 2 45 d8 12.0 103.8 96.0 465.8 0.0 0.9 0.0 7.9 0 40 d9 12.0 103.8 96.0 465.8 0.0 0.3 0.0 2.7 0 22 d10 0.0 0.2 0.0 0.1 0.0 0.0 0.0 10.9 0 0 d11 0.0 0.2 0.0 0.1 0.0 0.0 0.0 6.2 0 0 d12 0.0 0.2 0.0 0.1 0.0 0.0 0.5 10.9 0 0 d14 however: ---- errors --- s/w h/w trn tot 0 0 0 0 d0 0 0 0 0 d1 0 0 0 0 d2 0 0 0 0 d3 0 0 0 0 d4 0 0 0 0 d5 0 0 0 0 d8 0 0 0 0 d9 0 0 0 0 d10 0 0 0 0 d11 0 0 0 0 d12 0 0 0 0 d14 2 0 0 2 c0t6d0 0 0 0 0 c2t12d0 0 0 0 0 c2t4d0 0 0 0 0 c1t13d0 0 0 0 0 c1t12d0 0 0 0 0 c1t4d0 1 0 0 1 c2t13d0 <------ 0 0 0 0 c1t8d0 0 0 0 0 c2t8d0 0 0 0 0 c1t0d0 0 0 0 0 c2t0d0 0 0 0 0 c1t5d0 0 0 0 0 c2t5d0 0 0 0 0 c1t1d0 0 0 0 0 c2t1d0 0 0 0 0 c1t11d0 0 0 0 0 c2t11d0 0 0 0 0 c1t3d0 0 0 0 0 c2t3d0 0 0 0 0 c1t9d0 0 0 0 0 c2t9d0 0 0 0 0 c2t10d0 0 0 0 0 c1t10d0 0 0 0 0 c2t2d0 0 0 0 0 c1t2d0 It seems that those drives will cause problems sooner or later. Best regards Przemek ----- Forwarded message from przemolicc@poczta.fm ----- From: przemolicc@poczta.fm To: sunmanagers@sunmanagers.org Subject: iostat - 100 in %w Date: 09 Jun 2010 21:16:12 +0200 Hello, we have Sparc server with internal FC disks mirrored and striped: d8 -m d9 d10 1 d9 1 4 c1t1d0s0 c1t2d0s0 c1t4d0s0 c1t5d0s0 -i 32b -h hsp000 d10 1 4 c2t9d0s0 c2t10d0s0 c2t12d0s0 c2t13d0s0 -i 32b -h hsp000 While running 'iostat -xnzC 5' we get: extended device statistics r/s w/s kr/s kw/s wait actv wsvc_t asvc_t %w %b device 5.2 105.2 41.6 134.0 0.0 0.5 0.0 4.6 0 48 c1 1.4 22.8 11.2 32.0 0.0 0.1 0.0 5.5 0 12 c1t4d0 1.0 29.8 8.0 35.0 0.0 0.1 0.0 3.5 0 10 c1t5d0 1.4 22.8 11.2 32.0 0.0 0.1 0.0 5.4 0 12 c1t1d0 1.4 29.8 11.2 35.0 0.0 0.1 0.0 4.5 0 13 c1t2d0 5.2 104.4 41.6 133.6 2.0 0.2 18.3 1.8 1 19 c2 1.0 22.8 8.0 32.0 1.0 0.0 42.0 0.9 100 2 c2t12d0 0.6 29.4 4.8 34.8 1.0 0.0 33.3 0.5 100 2 c2t13d0 1.2 22.8 9.6 32.0 0.0 0.0 0.0 0.8 0 2 c2t9d0 2.4 29.4 19.2 34.8 0.0 0.1 0.0 4.4 0 14 c2t10d0 10.4 102.8 83.2 134.0 0.0 0.6 0.0 5.1 0 34 d8 5.2 102.8 41.6 134.0 0.0 0.5 0.0 4.7 0 30 d9 5.2 102.0 41.6 133.6 0.0 0.2 0.0 1.9 0 17 d10 The interesting part is '100%' in %w column for disks: c2t12d0 and c2t13d0. Could you explain why is that ? Regards Przemek ---------------------------------------------------------------------- Wakacyjna przygoda czeka! Zgarnij nagrody za 18 000zl! Sprawdz >>> http://linkint.pl/f2721 _______________________________________________ sunmanagers mailing list sunmanagers@sunmanagers.org http://www.sunmanagers.org/mailman/listinfo/sunmanagersReceived on Fri Jun 11 08:23:04 2010
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