From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-ID: <3A2BF1E6.55FF3BF6@freeler.nl> Date: Mon, 04 Dec 2000 20:35:02 +0100 From: Jorg de Jong MIME-Version: 1.0 Subject: Re: [linux-lvm] Using Oracle with lvm AND rawio: read(512) from References: <200012020529.WAA00876@lynx.turbolabs.com> <3A298498.86AB907B@tls.msk.ru> <3A29A31E.BC6A6243@tls.msk.ru> <3A2B58EA.71F92196@tls.msk.ru> <3A2BADF1.A12C700A@tls.msk.ru> <3A2BB554.2D83919E@tls.msk.ru> Content-Type: multipart/mixed; boundary="------------26F16B73F78D6D28633BFA79" Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: List-Id: To: linux-lvm@sistina.com This is a multi-part message in MIME format. --------------26F16B73F78D6D28633BFA79 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Michael Tokarev wrote: > > And -- Jorg de Jong, can you please strace the ts creation > process? I'm very interested on i/o buffer sizes used there. > .... > # strace -o trc -v -p 14344 ($PID of that process) > > [ sqlplus window ] > SQL> create tablespace ... ; > > [ other window ] > ^C > # _ > > Then examine `trc' file made by strace. I'm interested in: > 1) st_blksize of /dev/raw/rawNN device > 2) read/write sizes requested by oracle on that device. > I successfully created a tabelspace on a raw device. See the attachment... > And also try: > dd of=/dev/null if=/dev/raw/raw100 bs=512 > and the same with bs=1024 > (this will not destroy data) > (/dev/raw/raw100 bound to one of LVs). > [root] /tmp > dd of=/dev/null if=/dev/raw/raw1 bs=512 1024000+0 records in 1024000+0 records out [root] /tmp > dd of=/dev/null if=/dev/raw/raw1 bs=1024 512000+0 records in 512000+0 records out Also no problems here ! > If you successefully created the tablespace, then > either oracle uses only 1024*n i/o (my 8.1.6 uses 512 > sometimes) or your kernel allows to use 512 bytes... > > Thank you! > > Regards, > Michael. > _______________________________________________ > linux-lvm mailing list > linux-lvm@sistina.com > http://lists.sistina.com/mailman/listinfo/linux-lvm -- Jorg de Jong Work : mailto:jorg.de.jong@ict.nl Play : mailto:j.e.s.de.jong@freeler.nl --------------26F16B73F78D6D28633BFA79 Content-Type: application/x-gzip; name="trc.gz" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="trc.gz" H4sIAKruKzoAA+1c+3ObSBL+3X8F57q7SLeKNS+GQbXaWseWs6qVH6c48eZCTocAOVrrVQg7 zjn5328GBAJpeMgSuWTXdllG0HzT03zd0/PCdUy7otWUfQMYSMX8ExjU/wx+8b8NhP5iIABi J8F/LANSA4KD/YODg5qCACVVpalADe5dO543HDvTgW1+qjzomqqrVMeAC0EENPClppy97nSE NMiURSuy1mg6dyq0quT8CNnpzJlU9uvTmVefuqY1cuqmPR5O6p4z9+x+vW/fjmd1c+S4Xi84 dTCaXu/XlPPeVff8rPP283nv8OKidXbMD466rcPLmgJoUEW6JzSuvIuUfZ+mUVOJZPY+ukPP uavQmvLuYf90OlGOHUtRCDdcA7CGCvgBN/CEq4BUXuuHfct1TM9RPLM/cuYz03KUe8U2PXMw HDmK8axuB4Yn9Mt7fo9QjJu+795UwL1OgMPRMgzFTRRKRfdAWOQeX0piXm5UfiQUDG08/zT3 nDGAB3Z/4Fu2e3zV5eZ89fbsyKeKzxR3NBwPvUq30z5tX/bOzk/anRavvjjds27dJgSI1BT/ 69i8979+CegwmHumR0mFAJ0/nPv+YDDQibpeg6byHCqtF4fHJ0rlhWkrvgFtZ265w5k3dat7 9u0MVSDktgR6FrmaQmDBQgjzaOiraE28UajiSe9V6/LkmB8c9446563fWkfVmOzMFX7oS+5z /0PCyZ4b4GfhgUg1MIUGXjgfFNcxMRAli+/++YAQDOqopmDKKAHCUOK7FPxvBuXgtcs4bE04 dQwyDAQ/XMbBIWKMAkgz4Y1nPj5XHnPlQawUrriGDKyiNOUh0vljBtnqVwJ4hNXTKCoJbJVH qvUqrMBDoOooE77qw/9SWVTGx/7dwFBmHQMRuFoA0xjJLOAffgEXKw+WeLxGkf4AoJQKIKpr 2fb/IW7+BHeaP+XaB6uQsgg+PUhjAnVSMKBjQmBSNoo8pFDkEVJ7c2dseaOKzjDgcYHVFO5U bw47YQToI9uqhi4V4euF8PV4NBThOP8eX6pQNLSmE8+djng45OqXHg4f5l7Pdu6aY/PG4f8r KjcUrNYUfno4mTYZFE+EfxlPbaf5qtc+6bZefhYNnH92MhpObprQP74d2k0VqP7xdey4P7qZ D//rNHlxdHFiat3Mm4RhDQTg/nVEKGWcAoGQKbjRFFarQ1QH5HnY/AXayK6Shhrca6VdXTMA C9lg2tZ27QHLaw/YI9sDltsebEIqVD6pWBFSaVJSga1JBakoK6QUI1jTMvgUMUbKp4htUj6J q2t113bGJy2PT9oj+aTtlE+4fD5pRfjE/ph8ojvjU2ZnSPCJPpJPtHC+ykTOwRPURDZnYMBT 1uAUN67/J5IzDPFhlK2hRNYhPtcSGq1McFomeNIsdxE4lIEjnnUjGmSTOA6tAwiX2AsC7de5 t9Rd86P4g/vrjoT5jUs/gpzfJOlIR790izkSzXSj4H43XjSkKHLimDMBVkfkOYQNABoIrTqT 5OqKM6HnCDYwaOCwsV9EsxVDiHgleu/VGKt5yNrEBdKBr7rVhOzuYiEtEgv1byIWZudqj4iF apS5qzrZKhaqebFQfWQsVHNj4YrsSy7bkZUhOg1IqQxG5vU85JSkoM6vnBDep5nTPOlddTtH /OvHD87E4k++1fpVSAgjm64nPHDkTJqhWZ8CRIEAIfHj0dxxbnwaAdGhDGwseYAC2B/I82X3 l6OhSiKkL/7eG8a7f8XHTFdHOqLAviyfIJ3olGqMyBQJ3KF9xju8SqU9uTNHQ1sx3evbsTPx qlvSO86612cbsC4oNscBF8VOR3ZvPDZnFTEKUFNUxLCo6kX3/LLXbR0ef/aPrrrtSx5FTw8v ehfd9pvDy9ZncXx4dn729vT89asatwN/Vn7x97zgAfW74WVgU00rD3vASsPWNH844yki/DFT hqjZNB19uy7EU7P55CRPzeY33mw+MbT8MJ46c4GRCjBOzFw8PY//a8RY/KZEikIRQ6MsQ4Wm f33PH8tZ0WCT30ADNRjC4f92xEeKNEYTfHwajNtgMA7RCF0+Gkehvc4h7kwMIBSb1A0Iuoau ZuuOKD9NiAReQwCjdXitXHhaCnw6eRnTEUuSV27IJQeolANiUYQmeUxJBsituFvsNO5ugZ1h P11nBafcsQ4gY9JAEV8p0A9WmYgFXmurTCD9a8CL4OTfV1QGiOUsA/kxXMKytgyBc2mSMBiC SXSiQxWBfJMQxJHVYibhsgwlzbdowBzPqo89sy9NJqIGLOyBiUYhu7HHvIlGsjFbIp9kB1FT DzKberQcrKUayhqphWvNe3AV6g1Vaywm19ZGasOrYfOeHJwItNlyaGJgiqGJZePqJw8fbFNX 6opz7yHF/VibTK0PjnWjAEWsiguWuvGy/QV42mYN6fh2IiqwLDqEksguyDBzp5wNzng4GUzT s8ssMohClmTg5cnmMsmWXIitswClj9l/DSaE5vWmnjlqiKPbuWP7BwPXcRpJIqhks+UXmxBB Fsvs9FiGNfx7PFAaz9aDOygSywjlaUbBWEYogeipX/KnGu4bsKdZsi2H+/I6S9ukhDldpR1A l5BslrlmQY7tRdhEgu29MdY60QG2hjXEvo7e8k7JINveiKSBi/Wqeb2SHYPTMsDlPeqye42E AZ1gea9RFarcLf3h56gNDpvnhR9gNTqH+OlCXbvUkQO5EcWxtJ4pQwdaufC0HPgyXVpu+Emm 5v/kgqoc3c+78uy+a3RaBnqGb2hsZWF97oiKJm0swFHMQR4/pLIT8LRmbhvw5N4BbX3vgAmq 6YnN15noyVGRqSRSMS+P2eo55CQyu8Au4xGne4mOiaYWGDTfkbtm9RKiBdVl9RL6eGB9r72E 8KmU0qyXib1ZPiI2wBXGXt83snUwytzZomy+ZeAr7GtS/5TjGMv6k2VDteU21/UhhBX3Jo90 b5Lv3qGbkJTsURb9r7gnavKom0wf1zfEbO0omVt2HuEoX2GvFvl+9mrtfD053pmT4DwnwY90 ElzcSXC5TkJ35SR5L2X4Bjeg4e9nA9rOnQTtzElQnpNsNlW3pCYq7iSoDCdJ7UioCGkopbtN 5D0aCKQ9GiqmjSTDLfK0EpeIjXaPndeR1dCyI+sKP7gWc65jc35TedV+2XvRORdRKJhqfNe9 7IH3vIBqjvi7w0739H14G8uZP1ORypPK5PyZ4w2FsFtpX7ZPW10xtcmRHoYiIniOe2eOmg/8 VjFDx8/xr7dO80GsVRAvAviSwJKo+fosS1FusukstFi4KQpaIiatOcqGNnhcvfwT29Up7HGV 4RkL6DIcYwFdgl/IDbKjoJUSiCaZiv+Wjp4yvolLRUeloqcRUTpXhIm2ixC9C+w0Km6BnRei dbR8lUp6ECWEJ0TFFixwWcZQUVmdYL2wLF1Z55b3mhiMWYG6qSpG9E/8DrKj6Xg2cjyxAkf6 OrLF+mbqC/s3QvE2MuxTLCuHUlVGtYRhF6u9gb/W+sFnbvwldNz7iR8nMUXRwpu4J6BAF4j8 wvm/YFURZ7Xy4+1kMJwM5x8cW+FCP+39D4G4klHyTgAA --------------26F16B73F78D6D28633BFA79--