<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">The system we commonly use with MAKER is Lustre and we get no issues. We also commonly run MAKER on TACC which uses Lustre for all it’s file systems. So there is no Lustre limitation. MAKER does require that each node also have a local temporary directory for some operations which can generate high IOPS or require that traditional flock support (cannot be guaranteed on some NFS systems). These operations occur in the location specified by TMP= in the control file. Perhaps you are attempting to set your TMP value in the control files to a Lustre space which can overload the MDS (metadata server) used by Lustre. Make sure you do not set TMP to a shared location. Your working directory can be a shared Lustre space and result files will be stored there, but IO operations that are not safe for shared spaces will occur in TMP, and TMP must be set to a local storage location (usually /tmp).</div><div class=""><br class=""></div><div class="">--Carson</div><div class=""><br class=""></div><div class=""><br class=""></div><br class=""><div><blockquote type="cite" class=""><div class="">On Jul 12, 2017, at 12:19 AM, <a href="mailto:zhushilin@frasergen.com" class="">zhushilin@frasergen.com</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span class=""></span>Dear developer,</div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">It seems that MAKER can only run in the general hard disk which support <span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;" class="">structrued data</span><span style="background-color: window; font-size: 10.5pt; line-height: 1.5;" class="">, as SQLite was used.</span></div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">When running in <span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;" class="">lustre f</span><span style="background-color: rgba(0, 0, 0, 0);" class="">ilesystem, we got </span><span style="background-color: rgba(0, 0, 0, 0); font-size: 10.5pt; line-height: 1.5;" class=""> </span><span style="font-size: 10.5pt; line-height: 1.5; background-color: window;" class="">I/O error and nothing was written to .db file which saves the gff information.</span></div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Maybe the best way is to check the filesystem automatically and give the different strategy to store the information in gff files.</div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br class=""></div><div style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class="">Best wishes</div><hr size="1" align="left" style="font-family: 微软雅黑; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; 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