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([2620:1f7:948:3000::df8]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-27ba410a0fbsm3690892fac.52.2024.09.13.09.46.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 13 Sep 2024 09:46:42 -0700 (PDT) Message-ID: Date: Fri, 13 Sep 2024 09:46:40 -0700 Precedence: bulk X-Mailing-List: linux-nfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: pNFS client is not using the stripe value Content-Language: en-US To: Olga Kornievskaia Cc: Olga Kornievskaia , schumaker anna , linux-nfs , Trond Myklebust , "Mkrtchyan, Tigran" References: <685478263.45656552.1723405271880.JavaMail.zimbra@z-mbx-2> <2102290340.59910889.1725952999821.JavaMail.zimbra@desy.de> From: marc eshel In-Reply-To: <2102290340.59910889.1725952999821.JavaMail.zimbra@desy.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit This trace on the client shows that it was requested to use *nfl_util 0x400000* filelayout_decode_layout: set_layout_map Begin Sep 13 09:20:10 svl-marcrh-node-1 kernel: nfs4_print_deviceid: device id= [3000035a0b38c07df0465] Sep 13 09:20:10 svl-marcrh-node-1 kernel: filelayout_decode_layout: *nfl_util 0x400000* num_fh 1 fsi 0 po 0 Sep 13 09:20:10 svl-marcrh-node-1 kernel: DEBUG: filelayout_decode_layout: fh len 61 Sep 13 09:20:10 svl-marcrh-node-1 kernel: --> filelayout_check_layout Sep 13 09:20:10 svl-marcrh-node-1 kernel: --> filelayout_check_layout returns 0 This trace on the DS show that it reads 0x48000 before skipping to 0x880000 So it is skipping *0x400000 *but way was the first chuck 0x48000 Also way some read are 1048576 and most are 524288 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0C47878B0 vinfoP 0xFFFF91F81352FA30 off 0 len 1048576 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0C47878B0 vinfoP 0xFFFF91F81352FA30 off 1048576 len 524288 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0CA01F8B0 vinfoP 0xFFFF91F81352FA30 off 1572864 len 1048576 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0CA5FB8B0 vinfoP 0xFFFF91F81352FA30 off 2621440 len 524288 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0CA01F8B0 vinfoP 0xFFFF91F81352FA30 off 3145728 len 524288 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0C47878B0 vinfoP 0xFFFF91F81352FA30 off 3670016 len 1048576 gpfsRead enter: gnP 0xFFFF91F810942688 flags 0x1 uioP 0xFFFFAED0CA01F8B0 vinfoP 0xFFFF91F81352FA30 off 8912896 len 524288 Thanks, Marc.