From d529b9abbd3a35f9443cf379e814b97a2ade0501 Mon Sep 17 00:00:00 2001
From: weisd <im@weisd.in>
Date: Wed, 11 Jun 2025 23:44:22 +0800
Subject: [PATCH] add error log

---
 ecstore/src/erasure_coding/encode.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ecstore/src/erasure_coding/encode.rs b/ecstore/src/erasure_coding/encode.rs
index 64df380fd..aeee55124 100644
--- a/ecstore/src/erasure_coding/encode.rs
+++ b/ecstore/src/erasure_coding/encode.rs
@@ -69,9 +69,14 @@ impl<'a> MultiWriter<'a> {
         }
 
         Err(std::io::Error::other(format!(
-            "Failed to write data:  (offline-disks={}/{})",
+            "Failed to write data:  (offline-disks={}/{}): {}",
             count_errs(&self.errs, &Error::DiskNotFound),
-            self.writers.len()
+            self.writers.len(),
+            self.errs
+                .iter()
+                .map(|e| e.as_ref().map_or("<nil>".to_string(), |e| e.to_string()))
+                .collect::<Vec<_>>()
+                .join(", ")
         )))
     }
 }