<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; color: rgb(0, 0, 0); font-size: 14px; font-family: Calibri, sans-serif; "><div><div><div><span class="Apple-style-span" style="font-size: 12px; font-family: Consolas, monospace; "><blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="border-left-color: rgb(181, 196, 223); border-left-width: 5px; border-left-style: solid; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 5px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 5px; "><div><span style="font-family: Calibri; ">creating a ZFS pool out of files stored on another ZFS pool. The main</span></div><div><span style="font-family: Calibri; ">reasons that have been given for not doing this are unknown edge and</span></div><div><span style="font-family: Calibri; ">corner cases that may lead to deadlocks, and that it creates a complex</span></div><div><span style="font-family: Calibri; ">structure with potentially undesirable and unintended performance and</span></div><div><span style="font-family: Calibri; ">reliability implications.</span></div></blockquote><div><span style="font-family: Calibri; "><br></span></div><div><span style="font-family: Calibri; ">Computers are continually encountering unknown edge and corner cases in the various things they do all the time. That's what we have testing for.</span></div><div><span style="font-family: Calibri; "><br></span></div><blockquote id="MAC_OUTLOOK_ATTRIBUTION_BLOCKQUOTE" style="border-left-color: rgb(181, 196, 223); border-left-width: 5px; border-left-style: solid; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 5px; margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 5px; "><div><span style="font-family: Calibri; ">Deadlocks may occur in low resource</span></div><div><span style="font-family: Calibri; ">conditions. If resources (disk space and RAM) never run low, the</span></div><div><span style="font-family: Calibri; ">deadlock scenarios may not arise.</span></div></blockquote><div><span style="font-family: Calibri; "><br></span></div><div><span style="font-family: Calibri; ">It sounds like you mean any low resource condition. Presumably, utilizing </span><span class="Apple-style-span" style="font-family: Calibri; ">complex pool structures like these will tax resources, but there are many other ways to do that.</span></div><div><span style="font-family: Calibri; "><br></span></div><div><span style="font-family: Calibri; ">--</span></div><div><span style="font-family: Calibri; ">Maurice Volaski,</span><span style="font-family: Calibri; "> </span><a href="mailto:maurice.vola...@einstein.yu.edu";><span style="font-family: Calibri; ">maurice.vola...@einstein.yu.edu</span></a></div><div><span style="font-family: Calibri; ">Computing Support</span></div><div><span style="font-family: Calibri; ">Dominick P. Purpura Department of Neuroscience</span></div><div><span style="font-family: Calibri; ">Albert Einstein College of Medicine of Yeshiva University</span></div><div><span style="font-family: Calibri; "><br></span></div><div><br></div></span></div></div></div></body></html>
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