<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Daniel,</div><div><br></div><div>Several weeks ago, during a discussion over coffee, you mentioned a rather intriguing optimization- by writing the start of the forward log chain to NVRAM rather than disk, you avoid a disk seek and write transfer for each forward log chain. i believe there was another motivation that had to do with avoiding traversing the entire volume in case of a crash. Was this design feature to overcome lame fsck performance? </div><div><br></div><div>T</div><div><br></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font class="Apple-style-span" face="Arial"><font class="Apple-style-span" color="#373848">Timothy Huber</font></font><div><font class="Apple-style-span" face="Arial"><font class="Apple-style-span" color="#373848">Strategic Account Development</font></font></div><div><font class="Apple-style-span" face="Arial"><font class="Apple-style-span" color="#373848"><br></font></font></div><div><font class="Apple-style-span" face="Arial"><font class="Apple-style-span" color="#373848"><a href="mailto:tim.huber@metaram.com">tim.huber@metaram.com</a></font></font></div><div><font class="Apple-style-span" face="Arial"><font class="Apple-style-span" color="#373848">cell 310 795.6599</font></font></div><div><br></div><div><span class="Apple-style-span" style="color: rgb(80, 97, 108); font-family: Arial; line-height: 16px; "><span class="Apple-style-span" style="color: rgb(0, 0, 0); font-family: Helvetica; line-height: normal; "><a href="http://www.metaram.com/">MetaRAM Inc.</a></span></span></div><div><span class="Apple-style-span" style="color: rgb(80, 97, 108); font-family: Arial; line-height: 16px; ">181 Metro Drive, Suite 400 </span></div><div><span class="Apple-style-span" style="font-family: Times; font-size: 16px; "><span class="mainText2" style="color: rgb(80, 97, 108); font-family: Arial, Helvetica, sans-serif; font-size: 12px; line-height: 16px; ">San Jose, CA 95110 </span></span></div><div><font class="Apple-style-span" color="#50616C" face="Arial"><span class="Apple-style-span" style="line-height: 16px; "><br></span></font></div><div><font class="Apple-style-span" color="#50616C" face="Arial"><span class="Apple-style-span" style="line-height: 16px; "><a href="http://www.linkedin.com/in/timhuber">http://www.linkedin.com/in/timhuber</a></span></font></div></div></div></div></div></div></div></div></span></div></span> </div><br></body></html>